21063077

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{127}}^1$

素因数の和:225

約数の個数: 32

約数和(自身を含む): 27033600

約数和(自身を除く): 5970523

約数列:

[1, 7, 19, 29, 43, 127, 133, 203, 301, 551, 817, 889, 1247, 2413, 3683, 3857, 5461, 5719, 8729, 16891, 23693, 25781, 38227, 69977, 103759, 158369, 165851, 489839, 726313, 1108583, 3009011, 21063077]

約数ペア:

[(1, 21063077), (7, 3009011), (19, 1108583), (29, 726313), (43, 489839), (127, 165851), (133, 158369), (203, 103759), (301, 69977), (551, 38227), (817, 25781), (889, 23693), (1247, 16891), (2413, 8729), (3683, 5719), (3857, 5461)]