21431974

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{43}}^1\times {\mathrm{8039}}^1$

素因数の和:8115

約数の個数: 16

約数和(自身を含む): 33960960

約数和(自身を除く): 12528986

約数列:

[1, 2, 31, 43, 62, 86, 1333, 2666, 8039, 16078, 249209, 345677, 498418, 691354, 10715987, 21431974]

約数ペア:

[(1, 21431974), (2, 10715987), (31, 691354), (43, 498418), (62, 345677), (86, 249209), (1333, 16078), (2666, 8039)]