21620610675

素因数分解:

$3^2\times 5^2\times {\mathrm{281}}^1\times {\mathrm{341963}}^1$

素因数の和:342260

約数の個数: 36

約数和(自身を含む): 38862840744

約数和(自身を除く): 17242230069

約数列:

[1, 3, 5, 9, 15, 25, 45, 75, 225, 281, 843, 1405, 2529, 4215, 7025, 12645, 21075, 63225, 341963, 1025889, 1709815, 3077667, 5129445, 8549075, 15388335, 25647225, 76941675, 96091603, 288274809, 480458015, 864824427, 1441374045, 2402290075, 4324122135, 7206870225, 21620610675]

約数ペア:

[(1, 21620610675), (3, 7206870225), (5, 4324122135), (9, 2402290075), (15, 1441374045), (25, 864824427), (45, 480458015), (75, 288274809), (225, 96091603), (281, 76941675), (843, 25647225), (1405, 15388335), (2529, 8549075), (4215, 5129445), (7025, 3077667), (12645, 1709815), (21075, 1025889), (63225, 341963)]