21522501

素因数分解:

$3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2389}}^1$

素因数の和:2426

約数の個数: 48

約数和(自身を含む): 41758080

約数和(自身を除く): 20235579

約数列:

[1, 3, 7, 9, 11, 13, 21, 33, 39, 63, 77, 91, 99, 117, 143, 231, 273, 429, 693, 819, 1001, 1287, 2389, 3003, 7167, 9009, 16723, 21501, 26279, 31057, 50169, 78837, 93171, 150507, 183953, 217399, 236511, 279513, 341627, 551859, 652197, 1024881, 1655577, 1956591, 2391389, 3074643, 7174167, 21522501]

約数ペア:

[(1, 21522501), (3, 7174167), (7, 3074643), (9, 2391389), (11, 1956591), (13, 1655577), (21, 1024881), (33, 652197), (39, 551859), (63, 341627), (77, 279513), (91, 236511), (99, 217399), (117, 183953), (143, 150507), (231, 93171), (273, 78837), (429, 50169), (693, 31057), (819, 26279), (1001, 21501), (1287, 16723), (2389, 9009), (3003, 7167)]