21574520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{49033}}^1$

素因数の和:49055

約数の個数: 32

約数和(自身を含む): 52956720

約数和(自身を除く): 31382200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 49033, 98066, 196132, 245165, 392264, 490330, 539363, 980660, 1078726, 1961320, 2157452, 2696815, 4314904, 5393630, 10787260, 21574520]

約数ペア:

[(1, 21574520), (2, 10787260), (4, 5393630), (5, 4314904), (8, 2696815), (10, 2157452), (11, 1961320), (20, 1078726), (22, 980660), (40, 539363), (44, 490330), (55, 392264), (88, 245165), (110, 196132), (220, 98066), (440, 49033)]