21862550

素因数分解:

$2^1\times 5^2\times {\mathrm{331}}^1\times {\mathrm{1321}}^1$

素因数の和:1664

約数の個数: 24

約数和(自身を含む): 40818072

約数和(自身を除く): 18955522

約数列:

[1, 2, 5, 10, 25, 50, 331, 662, 1321, 1655, 2642, 3310, 6605, 8275, 13210, 16550, 33025, 66050, 437251, 874502, 2186255, 4372510, 10931275, 21862550]

約数ペア:

[(1, 21862550), (2, 10931275), (5, 4372510), (10, 2186255), (25, 874502), (50, 437251), (331, 66050), (662, 33025), (1321, 16550), (1655, 13210), (2642, 8275), (3310, 6605)]