21177609

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{4703}}^1$

素因数の和:4804

約数の個数: 16

約数和(自身を含む): 30105600

約数和(自身を除く): 8927991

約数列:

[1, 3, 19, 57, 79, 237, 1501, 4503, 4703, 14109, 89357, 268071, 371537, 1114611, 7059203, 21177609]

約数ペア:

[(1, 21177609), (3, 7059203), (19, 1114611), (57, 371537), (79, 268071), (237, 89357), (1501, 14109), (4503, 4703)]