21113990280

素因数分解:

$2^3\times 3^3\times 5^1\times {\mathrm{181}}^1\times {\mathrm{108011}}^1$

素因数の和:108212

約数の個数: 128

約数和(自身を含む): 70769462400

約数和(自身を除く): 49655472120

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 20, 24, 27, 30, 36, 40, 45, 54, 60, 72, 90, 108, 120, 135, 180, 181, 216, 270, 360, 362, 540, 543, 724, 905, 1080, 1086, 1448, 1629, 1810, 2172, 2715, 3258, 3620, 4344, 4887, 5430, 6516, 7240, 8145, 9774, 10860, 13032, 16290, 19548, 21720, 24435, 32580, 39096, 48870, 65160, 97740, 108011, 195480, 216022, 324033, 432044, 540055, 648066, 864088, 972099, 1080110, 1296132, 1620165, 1944198, 2160220, 2592264, 2916297, 3240330, 3888396, 4320440, 4860495, 5832594, 6480660, 7776792, 9720990, 11665188, 12961320, 14581485, 19441980, 19549991, 23330376, 29162970, 38883960, 39099982, 58325940, 58649973, 78199964, 97749955, 116651880, 117299946, 156399928, 175949919, 195499910, 234599892, 293249865, 351899838, 390999820, 469199784, 527849757, 586499730, 703799676, 781999640, 879749595, 1055699514, 1172999460, 1407599352, 1759499190, 2111399028, 2345998920, 2639248785, 3518998380, 4222798056, 5278497570, 7037996760, 10556995140, 21113990280]

約数ペア:

[(1, 21113990280), (2, 10556995140), (3, 7037996760), (4, 5278497570), (5, 4222798056), (6, 3518998380), (8, 2639248785), (9, 2345998920), (10, 2111399028), (12, 1759499190), (15, 1407599352), (18, 1172999460), (20, 1055699514), (24, 879749595), (27, 781999640), (30, 703799676), (36, 586499730), (40, 527849757), (45, 469199784), (54, 390999820), (60, 351899838), (72, 293249865), (90, 234599892), (108, 195499910), (120, 175949919), (135, 156399928), (180, 117299946), (181, 116651880), (216, 97749955), (270, 78199964), (360, 58649973), (362, 58325940), (540, 39099982), (543, 38883960), (724, 29162970), (905, 23330376), (1080, 19549991), (1086, 19441980), (1448, 14581485), (1629, 12961320), (1810, 11665188), (2172, 9720990), (2715, 7776792), (3258, 6480660), (3620, 5832594), (4344, 4860495), (4887, 4320440), (5430, 3888396), (6516, 3240330), (7240, 2916297), (8145, 2592264), (9774, 2160220), (10860, 1944198), (13032, 1620165), (16290, 1296132), (19548, 1080110), (21720, 972099), (24435, 864088), (32580, 648066), (39096, 540055), (48870, 432044), (65160, 324033), (97740, 216022), (108011, 195480)]