21385956

素因数分解:

$2^2\times 3^1\times {\mathrm{1109}}^1\times {\mathrm{1607}}^1$

素因数の和:2723

約数の個数: 24

約数和(自身を含む): 49976640

約数和(自身を除く): 28590684

約数列:

[1, 2, 3, 4, 6, 12, 1109, 1607, 2218, 3214, 3327, 4436, 4821, 6428, 6654, 9642, 13308, 19284, 1782163, 3564326, 5346489, 7128652, 10692978, 21385956]

約数ペア:

[(1, 21385956), (2, 10692978), (3, 7128652), (4, 5346489), (6, 3564326), (12, 1782163), (1109, 19284), (1607, 13308), (2218, 9642), (3214, 6654), (3327, 6428), (4436, 4821)]