21031858170

素因数分解:

$2^1\times 3^4\times 5^1\times {\mathrm{25965257}}^1$

素因数の和:25965276

約数の個数: 40

約数和(自身を含む): 56552331924

約数和(自身を除く): 35520473754

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 81, 90, 135, 162, 270, 405, 810, 25965257, 51930514, 77895771, 129826285, 155791542, 233687313, 259652570, 389478855, 467374626, 701061939, 778957710, 1168436565, 1402123878, 2103185817, 2336873130, 3505309695, 4206371634, 7010619390, 10515929085, 21031858170]

約数ペア:

[(1, 21031858170), (2, 10515929085), (3, 7010619390), (5, 4206371634), (6, 3505309695), (9, 2336873130), (10, 2103185817), (15, 1402123878), (18, 1168436565), (27, 778957710), (30, 701061939), (45, 467374626), (54, 389478855), (81, 259652570), (90, 233687313), (135, 155791542), (162, 129826285), (270, 77895771), (405, 51930514), (810, 25965257)]