21436492

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{881}}^1$

素因数の和:982

約数の個数: 48

約数和(自身を含む): 47416320

約数和(自身を除く): 25979828

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 79, 154, 158, 308, 316, 553, 869, 881, 1106, 1738, 1762, 2212, 3476, 3524, 6083, 6167, 9691, 12166, 12334, 19382, 24332, 24668, 38764, 67837, 69599, 135674, 139198, 271348, 278396, 487193, 765589, 974386, 1531178, 1948772, 3062356, 5359123, 10718246, 21436492]

約数ペア:

[(1, 21436492), (2, 10718246), (4, 5359123), (7, 3062356), (11, 1948772), (14, 1531178), (22, 974386), (28, 765589), (44, 487193), (77, 278396), (79, 271348), (154, 139198), (158, 135674), (308, 69599), (316, 67837), (553, 38764), (869, 24668), (881, 24332), (1106, 19382), (1738, 12334), (1762, 12166), (2212, 9691), (3476, 6167), (3524, 6083)]