21673295

素因数分解:

$5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{163}}^1$

素因数の和:335

約数の個数: 32

約数和(自身を含む): 31173120

約数和(自身を除く): 9499825

約数列:

[1, 5, 7, 29, 35, 131, 145, 163, 203, 655, 815, 917, 1015, 1141, 3799, 4585, 4727, 5705, 18995, 21353, 23635, 26593, 33089, 106765, 132965, 149471, 165445, 619237, 747355, 3096185, 4334659, 21673295]

約数ペア:

[(1, 21673295), (5, 4334659), (7, 3096185), (29, 747355), (35, 619237), (131, 165445), (145, 149471), (163, 132965), (203, 106765), (655, 33089), (815, 26593), (917, 23635), (1015, 21353), (1141, 18995), (3799, 5705), (4585, 4727)]