21771750

素因数分解:

$2^1\times 3^1\times 5^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1$

素因数の和:80

約数の個数: 256

約数和(自身を含む): 75479040

約数和(自身を除く): 53707290

約数列:

[1, 2, 3, 5, 6, 7, 10, 11, 13, 14, 15, 21, 22, 25, 26, 29, 30, 33, 35, 39, 42, 50, 55, 58, 65, 66, 70, 75, 77, 78, 87, 91, 105, 110, 125, 130, 143, 145, 150, 154, 165, 174, 175, 182, 195, 203, 210, 231, 250, 273, 275, 286, 290, 319, 325, 330, 350, 375, 377, 385, 390, 406, 429, 435, 455, 462, 525, 546, 550, 609, 638, 650, 715, 725, 750, 754, 770, 825, 858, 870, 875, 910, 957, 975, 1001, 1015, 1050, 1131, 1155, 1218, 1365, 1375, 1430, 1450, 1595, 1625, 1650, 1750, 1885, 1914, 1925, 1950, 2002, 2030, 2145, 2175, 2233, 2262, 2275, 2310, 2625, 2639, 2730, 2750, 3003, 3045, 3190, 3250, 3575, 3625, 3770, 3850, 4125, 4147, 4290, 4350, 4466, 4550, 4785, 4875, 5005, 5075, 5250, 5278, 5655, 5775, 6006, 6090, 6699, 6825, 7150, 7250, 7917, 7975, 8250, 8294, 9425, 9570, 9625, 9750, 10010, 10150, 10725, 10875, 11165, 11310, 11375, 11550, 12441, 13195, 13398, 13650, 15015, 15225, 15834, 15950, 17875, 18850, 19250, 20735, 21450, 21750, 22330, 22750, 23925, 24882, 25025, 25375, 26390, 28275, 28875, 29029, 30030, 30450, 33495, 34125, 35750, 39585, 39875, 41470, 47125, 47850, 50050, 50750, 53625, 55825, 56550, 57750, 58058, 62205, 65975, 66990, 68250, 75075, 76125, 79170, 79750, 87087, 94250, 103675, 107250, 111650, 119625, 124410, 125125, 131950, 141375, 145145, 150150, 152250, 167475, 174174, 197925, 207350, 239250, 250250, 279125, 282750, 290290, 311025, 329875, 334950, 375375, 395850, 435435, 518375, 558250, 622050, 659750, 725725, 750750, 837375, 870870, 989625, 1036750, 1451450, 1555125, 1674750, 1979250, 2177175, 3110250, 3628625, 4354350, 7257250, 10885875, 21771750]

約数ペア:

[(1, 21771750), (2, 10885875), (3, 7257250), (5, 4354350), (6, 3628625), (7, 3110250), (10, 2177175), (11, 1979250), (13, 1674750), (14, 1555125), (15, 1451450), (21, 1036750), (22, 989625), (25, 870870), (26, 837375), (29, 750750), (30, 725725), (33, 659750), (35, 622050), (39, 558250), (42, 518375), (50, 435435), (55, 395850), (58, 375375), (65, 334950), (66, 329875), (70, 311025), (75, 290290), (77, 282750), (78, 279125), (87, 250250), (91, 239250), (105, 207350), (110, 197925), (125, 174174), (130, 167475), (143, 152250), (145, 150150), (150, 145145), (154, 141375), (165, 131950), (174, 125125), (175, 124410), (182, 119625), (195, 111650), (203, 107250), (210, 103675), (231, 94250), (250, 87087), (273, 79750), (275, 79170), (286, 76125), (290, 75075), (319, 68250), (325, 66990), (330, 65975), (350, 62205), (375, 58058), (377, 57750), (385, 56550), (390, 55825), (406, 53625), (429, 50750), (435, 50050), (455, 47850), (462, 47125), (525, 41470), (546, 39875), (550, 39585), (609, 35750), (638, 34125), (650, 33495), (715, 30450), (725, 30030), (750, 29029), (754, 28875), (770, 28275), (825, 26390), (858, 25375), (870, 25025), (875, 24882), (910, 23925), (957, 22750), (975, 22330), (1001, 21750), (1015, 21450), (1050, 20735), (1131, 19250), (1155, 18850), (1218, 17875), (1365, 15950), (1375, 15834), (1430, 15225), (1450, 15015), (1595, 13650), (1625, 13398), (1650, 13195), (1750, 12441), (1885, 11550), (1914, 11375), (1925, 11310), (1950, 11165), (2002, 10875), (2030, 10725), (2145, 10150), (2175, 10010), (2233, 9750), (2262, 9625), (2275, 9570), (2310, 9425), (2625, 8294), (2639, 8250), (2730, 7975), (2750, 7917), (3003, 7250), (3045, 7150), (3190, 6825), (3250, 6699), (3575, 6090), (3625, 6006), (3770, 5775), (3850, 5655), (4125, 5278), (4147, 5250), (4290, 5075), (4350, 5005), (4466, 4875), (4550, 4785)]