21482139

素因数分解:

$3^1\times 7^2\times {\mathrm{317}}^1\times {\mathrm{461}}^1$

素因数の和:795

約数の個数: 24

約数和(自身を含む): 33496848

約数和(自身を除く): 12014709

約数列:

[1, 3, 7, 21, 49, 147, 317, 461, 951, 1383, 2219, 3227, 6657, 9681, 15533, 22589, 46599, 67767, 146137, 438411, 1022959, 3068877, 7160713, 21482139]

約数ペア:

[(1, 21482139), (3, 7160713), (7, 3068877), (21, 1022959), (49, 438411), (147, 146137), (317, 67767), (461, 46599), (951, 22589), (1383, 15533), (2219, 9681), (3227, 6657)]