21631590

素因数分解:

$2^1\times 3^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{709}}^1$

素因数の和:838

約数の個数: 64

約数和(自身を含む): 58276800

約数和(自身を除く): 36645210

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 27, 30, 45, 54, 90, 113, 135, 226, 270, 339, 565, 678, 709, 1017, 1130, 1418, 1695, 2034, 2127, 3051, 3390, 3545, 4254, 5085, 6102, 6381, 7090, 10170, 10635, 12762, 15255, 19143, 21270, 30510, 31905, 38286, 63810, 80117, 95715, 160234, 191430, 240351, 400585, 480702, 721053, 801170, 1201755, 1442106, 2163159, 2403510, 3605265, 4326318, 7210530, 10815795, 21631590]

約数ペア:

[(1, 21631590), (2, 10815795), (3, 7210530), (5, 4326318), (6, 3605265), (9, 2403510), (10, 2163159), (15, 1442106), (18, 1201755), (27, 801170), (30, 721053), (45, 480702), (54, 400585), (90, 240351), (113, 191430), (135, 160234), (226, 95715), (270, 80117), (339, 63810), (565, 38286), (678, 31905), (709, 30510), (1017, 21270), (1130, 19143), (1418, 15255), (1695, 12762), (2034, 10635), (2127, 10170), (3051, 7090), (3390, 6381), (3545, 6102), (4254, 5085)]