21013285680

素因数分解:

$2^4\times 3^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{87643}}^1$

素因数の和:87705

約数の個数: 200

約数和(自身を含む): 74955602832

約数和(自身を除く): 53942317152

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 16, 18, 20, 24, 27, 30, 36, 37, 40, 45, 48, 54, 60, 72, 74, 80, 81, 90, 108, 111, 120, 135, 144, 148, 162, 180, 185, 216, 222, 240, 270, 296, 324, 333, 360, 370, 405, 432, 444, 540, 555, 592, 648, 666, 720, 740, 810, 888, 999, 1080, 1110, 1296, 1332, 1480, 1620, 1665, 1776, 1998, 2160, 2220, 2664, 2960, 2997, 3240, 3330, 3996, 4440, 4995, 5328, 5994, 6480, 6660, 7992, 8880, 9990, 11988, 13320, 14985, 15984, 19980, 23976, 26640, 29970, 39960, 47952, 59940, 79920, 87643, 119880, 175286, 239760, 262929, 350572, 438215, 525858, 701144, 788787, 876430, 1051716, 1314645, 1402288, 1577574, 1752860, 2103432, 2366361, 2629290, 3155148, 3242791, 3505720, 3943935, 4206864, 4732722, 5258580, 6310296, 6485582, 7011440, 7099083, 7887870, 9465444, 9728373, 10517160, 11831805, 12620592, 12971164, 14198166, 15775740, 16213955, 18930888, 19456746, 21034320, 23663610, 25942328, 28396332, 29185119, 31551480, 32427910, 35495415, 37861776, 38913492, 47327220, 48641865, 51884656, 56792664, 58370238, 63102960, 64855820, 70990830, 77826984, 87555357, 94654440, 97283730, 113585328, 116740476, 129711640, 141981660, 145925595, 155653968, 175110714, 189308880, 194567460, 233480952, 259423280, 262666071, 283963320, 291851190, 350221428, 389134920, 437776785, 466961904, 525332142, 567926640, 583702380, 700442856, 778269840, 875553570, 1050664284, 1167404760, 1313330355, 1400885712, 1751107140, 2101328568, 2334809520, 2626660710, 3502214280, 4202657136, 5253321420, 7004428560, 10506642840, 21013285680]

約数ペア:

[(1, 21013285680), (2, 10506642840), (3, 7004428560), (4, 5253321420), (5, 4202657136), (6, 3502214280), (8, 2626660710), (9, 2334809520), (10, 2101328568), (12, 1751107140), (15, 1400885712), (16, 1313330355), (18, 1167404760), (20, 1050664284), (24, 875553570), (27, 778269840), (30, 700442856), (36, 583702380), (37, 567926640), (40, 525332142), (45, 466961904), (48, 437776785), (54, 389134920), (60, 350221428), (72, 291851190), (74, 283963320), (80, 262666071), (81, 259423280), (90, 233480952), (108, 194567460), (111, 189308880), (120, 175110714), (135, 155653968), (144, 145925595), (148, 141981660), (162, 129711640), (180, 116740476), (185, 113585328), (216, 97283730), (222, 94654440), (240, 87555357), (270, 77826984), (296, 70990830), (324, 64855820), (333, 63102960), (360, 58370238), (370, 56792664), (405, 51884656), (432, 48641865), (444, 47327220), (540, 38913492), (555, 37861776), (592, 35495415), (648, 32427910), (666, 31551480), (720, 29185119), (740, 28396332), (810, 25942328), (888, 23663610), (999, 21034320), (1080, 19456746), (1110, 18930888), (1296, 16213955), (1332, 15775740), (1480, 14198166), (1620, 12971164), (1665, 12620592), (1776, 11831805), (1998, 10517160), (2160, 9728373), (2220, 9465444), (2664, 7887870), (2960, 7099083), (2997, 7011440), (3240, 6485582), (3330, 6310296), (3996, 5258580), (4440, 4732722), (4995, 4206864), (5328, 3943935), (5994, 3505720), (6480, 3242791), (6660, 3155148), (7992, 2629290), (8880, 2366361), (9990, 2103432), (11988, 1752860), (13320, 1577574), (14985, 1402288), (15984, 1314645), (19980, 1051716), (23976, 876430), (26640, 788787), (29970, 701144), (39960, 525858), (47952, 438215), (59940, 350572), (79920, 262929), (87643, 239760), (119880, 175286)]