21262080136

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{181}}^1\times {\mathrm{317}}^1\times {\mathrm{4211}}^1$

素因数の和:4726

約数の個数: 64

約数和(自身を含む): 43879268160

約数和(自身を除く): 22617188024

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 181, 317, 362, 634, 724, 1268, 1448, 1991, 2536, 3487, 3982, 4211, 6974, 7964, 8422, 13948, 15928, 16844, 27896, 33688, 46321, 57377, 92642, 114754, 185284, 229508, 370568, 459016, 631147, 762191, 1262294, 1334887, 1524382, 2524588, 2669774, 3048764, 5049176, 5339548, 6097528, 8384101, 10679096, 14683757, 16768202, 29367514, 33536404, 58735028, 67072808, 117470056, 241614547, 483229094, 966458188, 1932916376, 2657760017, 5315520034, 10631040068, 21262080136]

約数ペア:

[(1, 21262080136), (2, 10631040068), (4, 5315520034), (8, 2657760017), (11, 1932916376), (22, 966458188), (44, 483229094), (88, 241614547), (181, 117470056), (317, 67072808), (362, 58735028), (634, 33536404), (724, 29367514), (1268, 16768202), (1448, 14683757), (1991, 10679096), (2536, 8384101), (3487, 6097528), (3982, 5339548), (4211, 5049176), (6974, 3048764), (7964, 2669774), (8422, 2524588), (13948, 1524382), (15928, 1334887), (16844, 1262294), (27896, 762191), (33688, 631147), (46321, 459016), (57377, 370568), (92642, 229508), (114754, 185284)]