21761189715

素因数分解:

$3^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{571}}^1\times {\mathrm{41651}}^1$

素因数の和:42291

約数の個数: 32

約数和(自身を含む): 35451516672

約数和(自身を除く): 13690326957

約数列:

[1, 3, 5, 15, 61, 183, 305, 571, 915, 1713, 2855, 8565, 34831, 41651, 104493, 124953, 174155, 208255, 522465, 624765, 2540711, 7622133, 12703555, 23782721, 38110665, 71348163, 118913605, 356740815, 1450745981, 4352237943, 7253729905, 21761189715]

約数ペア:

[(1, 21761189715), (3, 7253729905), (5, 4352237943), (15, 1450745981), (61, 356740815), (183, 118913605), (305, 71348163), (571, 38110665), (915, 23782721), (1713, 12703555), (2855, 7622133), (8565, 2540711), (34831, 624765), (41651, 522465), (104493, 208255), (124953, 174155)]