21203650

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{32621}}^1$

素因数の和:32646

約数の個数: 24

約数和(自身を含む): 42473844

約数和(自身を除く): 21270194

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 32621, 65242, 163105, 326210, 424073, 815525, 848146, 1631050, 2120365, 4240730, 10601825, 21203650]

約数ペア:

[(1, 21203650), (2, 10601825), (5, 4240730), (10, 2120365), (13, 1631050), (25, 848146), (26, 815525), (50, 424073), (65, 326210), (130, 163105), (325, 65242), (650, 32621)]