21277862

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1\times {\mathrm{617}}^1$

素因数の和:1063

約数の個数: 16

約数和(自身を含む): 32793552

約数和(自身を除く): 11515690

約数列:

[1, 2, 43, 86, 401, 617, 802, 1234, 17243, 26531, 34486, 53062, 247417, 494834, 10638931, 21277862]

約数ペア:

[(1, 21277862), (2, 10638931), (43, 494834), (86, 247417), (401, 53062), (617, 34486), (802, 26531), (1234, 17243)]