21437745

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{29167}}^1$

素因数の和:29189

約数の個数: 24

約数和(自身を含む): 39901824

約数和(自身を除く): 18464079

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 735, 29167, 87501, 145835, 204169, 437505, 612507, 1020845, 1429183, 3062535, 4287549, 7145915, 21437745]

約数ペア:

[(1, 21437745), (3, 7145915), (5, 4287549), (7, 3062535), (15, 1429183), (21, 1020845), (35, 612507), (49, 437505), (105, 204169), (147, 145835), (245, 87501), (735, 29167)]