21438914

素因数分解:

$2^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{6101}}^1$

素因数の和:6361

約数の個数: 16

約数和(自身を含む): 36904896

約数和(自身を除く): 15465982

約数列:

[1, 2, 7, 14, 251, 502, 1757, 3514, 6101, 12202, 42707, 85414, 1531351, 3062702, 10719457, 21438914]

約数ペア:

[(1, 21438914), (2, 10719457), (7, 3062702), (14, 1531351), (251, 85414), (502, 42707), (1757, 12202), (3514, 6101)]