21157634

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{157}}^1\times {\mathrm{1567}}^1$

素因数の和:1769

約数の個数: 16

約数和(自身を含む): 32702208

約数和(自身を除く): 11544574

約数列:

[1, 2, 43, 86, 157, 314, 1567, 3134, 6751, 13502, 67381, 134762, 246019, 492038, 10578817, 21157634]

約数ペア:

[(1, 21157634), (2, 10578817), (43, 492038), (86, 246019), (157, 134762), (314, 67381), (1567, 13502), (3134, 6751)]