21285358

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{4957}}^1$

素因数の和:5091

約数の個数: 16

約数和(自身を含む): 33912720

約数和(自身を除く): 12627362

約数列:

[1, 2, 19, 38, 113, 226, 2147, 4294, 4957, 9914, 94183, 188366, 560141, 1120282, 10642679, 21285358]

約数ペア:

[(1, 21285358), (2, 10642679), (19, 1120282), (38, 560141), (113, 188366), (226, 94183), (2147, 9914), (4294, 4957)]