21230430

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{54437}}^1$

素因数の和:54460

約数の個数: 32

約数和(自身を含む): 54873504

約数和(自身を除く): 33643074

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 54437, 108874, 163311, 272185, 326622, 544370, 707681, 816555, 1415362, 1633110, 2123043, 3538405, 4246086, 7076810, 10615215, 21230430]

約数ペア:

[(1, 21230430), (2, 10615215), (3, 7076810), (5, 4246086), (6, 3538405), (10, 2123043), (13, 1633110), (15, 1415362), (26, 816555), (30, 707681), (39, 544370), (65, 326622), (78, 272185), (130, 163311), (195, 108874), (390, 54437)]