21719658

素因数分解:

$2^1\times 3^1\times {\mathrm{67}}^1\times {\mathrm{97}}^1\times {\mathrm{557}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 44622144

約数和(自身を除く): 22902486

約数列:

[1, 2, 3, 6, 67, 97, 134, 194, 201, 291, 402, 557, 582, 1114, 1671, 3342, 6499, 12998, 19497, 37319, 38994, 54029, 74638, 108058, 111957, 162087, 223914, 324174, 3619943, 7239886, 10859829, 21719658]

約数ペア:

[(1, 21719658), (2, 10859829), (3, 7239886), (6, 3619943), (67, 324174), (97, 223914), (134, 162087), (194, 111957), (201, 108058), (291, 74638), (402, 54029), (557, 38994), (582, 37319), (1114, 19497), (1671, 12998), (3342, 6499)]