21853711216

素因数分解:

$2^4\times {\mathrm{139}}^1\times {\mathrm{181}}^1\times {\mathrm{233}}^2$

素因数の和:794

約数の個数: 60

約数和(自身を含む): 43066627240

約数和(自身を除く): 21212916024

約数列:

[1, 2, 4, 8, 16, 139, 181, 233, 278, 362, 466, 556, 724, 932, 1112, 1448, 1864, 2224, 2896, 3728, 25159, 32387, 42173, 50318, 54289, 64774, 84346, 100636, 108578, 129548, 168692, 201272, 217156, 259096, 337384, 402544, 434312, 518192, 674768, 868624, 5862047, 7546171, 9826309, 11724094, 15092342, 19652618, 23448188, 30184684, 39305236, 46896376, 60369368, 78610472, 93792752, 120738736, 157220944, 1365856951, 2731713902, 5463427804, 10926855608, 21853711216]

約数ペア:

[(1, 21853711216), (2, 10926855608), (4, 5463427804), (8, 2731713902), (16, 1365856951), (139, 157220944), (181, 120738736), (233, 93792752), (278, 78610472), (362, 60369368), (466, 46896376), (556, 39305236), (724, 30184684), (932, 23448188), (1112, 19652618), (1448, 15092342), (1864, 11724094), (2224, 9826309), (2896, 7546171), (3728, 5862047), (25159, 868624), (32387, 674768), (42173, 518192), (50318, 434312), (54289, 402544), (64774, 337384), (84346, 259096), (100636, 217156), (108578, 201272), (129548, 168692)]