21653664

素因数分解:

$2^5\times 3^1\times {\mathrm{211}}^1\times {\mathrm{1069}}^1$

素因数の和:1293

約数の個数: 48

約数和(自身を含む): 57163680

約数和(自身を除く): 35510016

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 211, 422, 633, 844, 1069, 1266, 1688, 2138, 2532, 3207, 3376, 4276, 5064, 6414, 6752, 8552, 10128, 12828, 17104, 20256, 25656, 34208, 51312, 102624, 225559, 451118, 676677, 902236, 1353354, 1804472, 2706708, 3608944, 5413416, 7217888, 10826832, 21653664]

約数ペア:

[(1, 21653664), (2, 10826832), (3, 7217888), (4, 5413416), (6, 3608944), (8, 2706708), (12, 1804472), (16, 1353354), (24, 902236), (32, 676677), (48, 451118), (96, 225559), (211, 102624), (422, 51312), (633, 34208), (844, 25656), (1069, 20256), (1266, 17104), (1688, 12828), (2138, 10128), (2532, 8552), (3207, 6752), (3376, 6414), (4276, 5064)]