21483620

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{34651}}^1$

素因数の和:34691

約数の個数: 24

約数和(自身を含む): 46572288

約数和(自身を除く): 25088668

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 34651, 69302, 138604, 173255, 346510, 693020, 1074181, 2148362, 4296724, 5370905, 10741810, 21483620]

約数ペア:

[(1, 21483620), (2, 10741810), (4, 5370905), (5, 4296724), (10, 2148362), (20, 1074181), (31, 693020), (62, 346510), (124, 173255), (155, 138604), (310, 69302), (620, 34651)]