21622250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{6653}}^1$

素因数の和:6683

約数の個数: 32

約数和(自身を含む): 43597008

約数和(自身を除く): 21974758

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 3250, 6653, 13306, 33265, 66530, 86489, 166325, 172978, 332650, 432445, 831625, 864890, 1663250, 2162225, 4324450, 10811125, 21622250]

約数ペア:

[(1, 21622250), (2, 10811125), (5, 4324450), (10, 2162225), (13, 1663250), (25, 864890), (26, 831625), (50, 432445), (65, 332650), (125, 172978), (130, 166325), (250, 86489), (325, 66530), (650, 33265), (1625, 13306), (3250, 6653)]