21693574

素因数分解:

$2^1\times 7^2\times {\mathrm{181}}^1\times {\mathrm{1223}}^1$

素因数の和:1420

約数の個数: 24

約数和(自身を含む): 38093328

約数和(自身を除く): 16399754

約数列:

[1, 2, 7, 14, 49, 98, 181, 362, 1223, 1267, 2446, 2534, 8561, 8869, 17122, 17738, 59927, 119854, 221363, 442726, 1549541, 3099082, 10846787, 21693574]

約数ペア:

[(1, 21693574), (2, 10846787), (7, 3099082), (14, 1549541), (49, 442726), (98, 221363), (181, 119854), (362, 59927), (1223, 17738), (1267, 17122), (2446, 8869), (2534, 8561)]