21987612

素因数分解:

$2^2\times 3^5\times {\mathrm{22621}}^1$

素因数の和:22640

約数の個数: 36

約数和(自身を含む): 57640856

約数和(自身を除く): 35653244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 324, 486, 972, 22621, 45242, 67863, 90484, 135726, 203589, 271452, 407178, 610767, 814356, 1221534, 1832301, 2443068, 3664602, 5496903, 7329204, 10993806, 21987612]

約数ペア:

[(1, 21987612), (2, 10993806), (3, 7329204), (4, 5496903), (6, 3664602), (9, 2443068), (12, 1832301), (18, 1221534), (27, 814356), (36, 610767), (54, 407178), (81, 271452), (108, 203589), (162, 135726), (243, 90484), (324, 67863), (486, 45242), (972, 22621)]