21771216

素因数分解:

$2^4\times 3^2\times {\mathrm{151189}}^1$

素因数の和:151203

約数の個数: 30

約数和(自身を含む): 60929570

約数和(自身を除く): 39158354

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 151189, 302378, 453567, 604756, 907134, 1209512, 1360701, 1814268, 2419024, 2721402, 3628536, 5442804, 7257072, 10885608, 21771216]

約数ペア:

[(1, 21771216), (2, 10885608), (3, 7257072), (4, 5442804), (6, 3628536), (8, 2721402), (9, 2419024), (12, 1814268), (16, 1360701), (18, 1209512), (24, 907134), (36, 604756), (48, 453567), (72, 302378), (144, 151189)]