21294120513

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{937}}^1\times {\mathrm{2531}}^1$

素因数の和:3585

約数の個数: 32

約数和(自身を含む): 29526198912

約数和(自身を除く): 8232078399

約数列:

[1, 3, 41, 73, 123, 219, 937, 2531, 2811, 2993, 7593, 8979, 38417, 68401, 103771, 115251, 184763, 205203, 311313, 554289, 2371547, 2804441, 7114641, 7575283, 8413323, 22725849, 97233427, 173122931, 291700281, 519368793, 7098040171, 21294120513]

約数ペア:

[(1, 21294120513), (3, 7098040171), (41, 519368793), (73, 291700281), (123, 173122931), (219, 97233427), (937, 22725849), (2531, 8413323), (2811, 7575283), (2993, 7114641), (7593, 2804441), (8979, 2371547), (38417, 554289), (68401, 311313), (103771, 205203), (115251, 184763)]