21102575

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{2239}}^1$

素因数の和:2291

約数の個数: 24

約数和(自身を含む): 29164800

約数和(自身を除く): 8062225

約数列:

[1, 5, 13, 25, 29, 65, 145, 325, 377, 725, 1885, 2239, 9425, 11195, 29107, 55975, 64931, 145535, 324655, 727675, 844103, 1623275, 4220515, 21102575]

約数ペア:

[(1, 21102575), (5, 4220515), (13, 1623275), (25, 844103), (29, 727675), (65, 324655), (145, 145535), (325, 64931), (377, 55975), (725, 29107), (1885, 11195), (2239, 9425)]