21563541840

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^2\times {\mathrm{487}}^1$

素因数の和:674

約数の個数: 240

約数和(自身を含む): 69424449408

約数和(自身を除く): 47860907568

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 15, 16, 20, 24, 30, 40, 48, 53, 59, 60, 80, 106, 118, 120, 159, 177, 212, 236, 240, 265, 295, 318, 354, 424, 472, 487, 530, 590, 636, 708, 795, 848, 885, 944, 974, 1060, 1180, 1272, 1416, 1461, 1590, 1770, 1948, 2120, 2360, 2435, 2544, 2832, 2922, 3127, 3180, 3481, 3540, 3896, 4240, 4720, 4870, 5844, 6254, 6360, 6962, 7080, 7305, 7792, 9381, 9740, 10443, 11688, 12508, 12720, 13924, 14160, 14610, 15635, 17405, 18762, 19480, 20886, 23376, 25016, 25811, 27848, 28733, 29220, 31270, 34810, 37524, 38960, 41772, 46905, 50032, 51622, 52215, 55696, 57466, 58440, 62540, 69620, 75048, 77433, 83544, 86199, 93810, 103244, 104430, 114932, 116880, 125080, 129055, 139240, 143665, 150096, 154866, 167088, 172398, 184493, 187620, 206488, 208860, 229864, 250160, 258110, 278480, 287330, 309732, 344796, 368986, 375240, 387165, 412976, 417720, 430995, 459728, 516220, 553479, 574660, 619464, 689592, 737972, 750480, 774330, 835440, 861990, 922465, 1032440, 1106958, 1149320, 1238928, 1379184, 1475944, 1522849, 1548660, 1695247, 1723980, 1844930, 2064880, 2213916, 2298640, 2767395, 2951888, 3045698, 3097320, 3390494, 3447960, 3689860, 4427832, 4568547, 5085741, 5534790, 6091396, 6194640, 6780988, 6895920, 7379720, 7614245, 8476235, 8855664, 9137094, 10171482, 11069580, 12182792, 13561976, 14759440, 15228490, 16952470, 18274188, 20342964, 22139160, 22842735, 24365584, 25428705, 27123952, 30456980, 33904940, 36548376, 40685928, 44278320, 45685470, 50857410, 60913960, 67809880, 73096752, 81371856, 89848091, 91370940, 101714820, 121827920, 135619760, 179696182, 182741880, 203429640, 269544273, 359392364, 365483760, 406859280, 449240455, 539088546, 718784728, 898480910, 1078177092, 1347721365, 1437569456, 1796961820, 2156354184, 2695442730, 3593923640, 4312708368, 5390885460, 7187847280, 10781770920, 21563541840]

約数ペア:

[(1, 21563541840), (2, 10781770920), (3, 7187847280), (4, 5390885460), (5, 4312708368), (6, 3593923640), (8, 2695442730), (10, 2156354184), (12, 1796961820), (15, 1437569456), (16, 1347721365), (20, 1078177092), (24, 898480910), (30, 718784728), (40, 539088546), (48, 449240455), (53, 406859280), (59, 365483760), (60, 359392364), (80, 269544273), (106, 203429640), (118, 182741880), (120, 179696182), (159, 135619760), (177, 121827920), (212, 101714820), (236, 91370940), (240, 89848091), (265, 81371856), (295, 73096752), (318, 67809880), (354, 60913960), (424, 50857410), (472, 45685470), (487, 44278320), (530, 40685928), (590, 36548376), (636, 33904940), (708, 30456980), (795, 27123952), (848, 25428705), (885, 24365584), (944, 22842735), (974, 22139160), (1060, 20342964), (1180, 18274188), (1272, 16952470), (1416, 15228490), (1461, 14759440), (1590, 13561976), (1770, 12182792), (1948, 11069580), (2120, 10171482), (2360, 9137094), (2435, 8855664), (2544, 8476235), (2832, 7614245), (2922, 7379720), (3127, 6895920), (3180, 6780988), (3481, 6194640), (3540, 6091396), (3896, 5534790), (4240, 5085741), (4720, 4568547), (4870, 4427832), (5844, 3689860), (6254, 3447960), (6360, 3390494), (6962, 3097320), (7080, 3045698), (7305, 2951888), (7792, 2767395), (9381, 2298640), (9740, 2213916), (10443, 2064880), (11688, 1844930), (12508, 1723980), (12720, 1695247), (13924, 1548660), (14160, 1522849), (14610, 1475944), (15635, 1379184), (17405, 1238928), (18762, 1149320), (19480, 1106958), (20886, 1032440), (23376, 922465), (25016, 861990), (25811, 835440), (27848, 774330), (28733, 750480), (29220, 737972), (31270, 689592), (34810, 619464), (37524, 574660), (38960, 553479), (41772, 516220), (46905, 459728), (50032, 430995), (51622, 417720), (52215, 412976), (55696, 387165), (57466, 375240), (58440, 368986), (62540, 344796), (69620, 309732), (75048, 287330), (77433, 278480), (83544, 258110), (86199, 250160), (93810, 229864), (103244, 208860), (104430, 206488), (114932, 187620), (116880, 184493), (125080, 172398), (129055, 167088), (139240, 154866), (143665, 150096)]