21796615535

素因数分解:

$5^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{212453}}^1$

素因数の和:212563

約数の個数: 24

約数和(自身を含む): 28176499296

約数和(自身を除く): 6379883761

約数列:

[1, 5, 17, 71, 85, 289, 355, 1207, 1445, 6035, 20519, 102595, 212453, 1062265, 3611701, 15084163, 18058505, 61398917, 75420815, 256430771, 306994585, 1282153855, 4359323107, 21796615535]

約数ペア:

[(1, 21796615535), (5, 4359323107), (17, 1282153855), (71, 306994585), (85, 256430771), (289, 75420815), (355, 61398917), (1207, 18058505), (1445, 15084163), (6035, 3611701), (20519, 1062265), (102595, 212453)]