21440124

素因数分解:

$2^2\times 3^2\times {\mathrm{389}}^1\times {\mathrm{1531}}^1$

素因数の和:1930

約数の個数: 36

約数和(自身を含む): 54370680

約数和(自身を除く): 32930556

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 389, 778, 1167, 1531, 1556, 2334, 3062, 3501, 4593, 4668, 6124, 7002, 9186, 13779, 14004, 18372, 27558, 55116, 595559, 1191118, 1786677, 2382236, 3573354, 5360031, 7146708, 10720062, 21440124]

約数ペア:

[(1, 21440124), (2, 10720062), (3, 7146708), (4, 5360031), (6, 3573354), (9, 2382236), (12, 1786677), (18, 1191118), (36, 595559), (389, 55116), (778, 27558), (1167, 18372), (1531, 14004), (1556, 13779), (2334, 9186), (3062, 7002), (3501, 6124), (4593, 4668)]