21988122

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{1231}}^1$

素因数の和:1478

約数の個数: 32

約数和(自身を含む): 47604480

約数和(自身を除く): 25616358

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 229, 458, 687, 1231, 1374, 2462, 2977, 3693, 5954, 7386, 8931, 16003, 17862, 32006, 48009, 96018, 281899, 563798, 845697, 1691394, 3664687, 7329374, 10994061, 21988122]

約数ペア:

[(1, 21988122), (2, 10994061), (3, 7329374), (6, 3664687), (13, 1691394), (26, 845697), (39, 563798), (78, 281899), (229, 96018), (458, 48009), (687, 32006), (1231, 17862), (1374, 16003), (2462, 8931), (2977, 7386), (3693, 5954)]