215684028

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{855889}}^1$

素因数の和:855906

約数の個数: 36

約数和(自身を含む): 623087920

約数和(自身を除く): 407403892

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 855889, 1711778, 2567667, 3423556, 5135334, 5991223, 7703001, 10270668, 11982446, 15406002, 17973669, 23964892, 30812004, 35947338, 53921007, 71894676, 107842014, 215684028]

約数ペア:

[(1, 215684028), (2, 107842014), (3, 71894676), (4, 53921007), (6, 35947338), (7, 30812004), (9, 23964892), (12, 17973669), (14, 15406002), (18, 11982446), (21, 10270668), (28, 7703001), (36, 5991223), (42, 5135334), (63, 3423556), (84, 2567667), (126, 1711778), (252, 855889)]