21472685

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1$

素因数の和:365

約数の個数: 32

約数和(自身を含む): 29611008

約数和(自身を除く): 8138323

約数列:

[1, 5, 13, 23, 53, 65, 115, 265, 271, 299, 689, 1219, 1355, 1495, 3445, 3523, 6095, 6233, 14363, 15847, 17615, 31165, 71815, 79235, 81029, 186719, 330349, 405145, 933595, 1651745, 4294537, 21472685]

約数ペア:

[(1, 21472685), (5, 4294537), (13, 1651745), (23, 933595), (53, 405145), (65, 330349), (115, 186719), (265, 81029), (271, 79235), (299, 71815), (689, 31165), (1219, 17615), (1355, 15847), (1495, 14363), (3445, 6233), (3523, 6095)]