21121242

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{3907}}^1$

素因数の和:3982

約数の個数: 32

約数和(自身を含む): 45582912

約数和(自身を除く): 24461670

約数列:

[1, 2, 3, 6, 17, 34, 51, 53, 102, 106, 159, 318, 901, 1802, 2703, 3907, 5406, 7814, 11721, 23442, 66419, 132838, 199257, 207071, 398514, 414142, 621213, 1242426, 3520207, 7040414, 10560621, 21121242]

約数ペア:

[(1, 21121242), (2, 10560621), (3, 7040414), (6, 3520207), (17, 1242426), (34, 621213), (51, 414142), (53, 398514), (102, 207071), (106, 199257), (159, 132838), (318, 66419), (901, 23442), (1802, 11721), (2703, 7814), (3907, 5406)]