21483800

素因数分解:

$2^3\times 5^2\times {\mathrm{13}}^1\times {\mathrm{8263}}^1$

素因数の和:8292

約数の個数: 48

約数和(自身を含む): 53798640

約数和(自身を除く): 32314840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 25, 26, 40, 50, 52, 65, 100, 104, 130, 200, 260, 325, 520, 650, 1300, 2600, 8263, 16526, 33052, 41315, 66104, 82630, 107419, 165260, 206575, 214838, 330520, 413150, 429676, 537095, 826300, 859352, 1074190, 1652600, 2148380, 2685475, 4296760, 5370950, 10741900, 21483800]

約数ペア:

[(1, 21483800), (2, 10741900), (4, 5370950), (5, 4296760), (8, 2685475), (10, 2148380), (13, 1652600), (20, 1074190), (25, 859352), (26, 826300), (40, 537095), (50, 429676), (52, 413150), (65, 330520), (100, 214838), (104, 206575), (130, 165260), (200, 107419), (260, 82630), (325, 66104), (520, 41315), (650, 33052), (1300, 16526), (2600, 8263)]