21270252

素因数分解:

$2^2\times 3^1\times {\mathrm{1103}}^1\times {\mathrm{1607}}^1$

素因数の和:2717

約数の個数: 24

約数和(自身を含む): 49706496

約数和(自身を除く): 28436244

約数列:

[1, 2, 3, 4, 6, 12, 1103, 1607, 2206, 3214, 3309, 4412, 4821, 6428, 6618, 9642, 13236, 19284, 1772521, 3545042, 5317563, 7090084, 10635126, 21270252]

約数ペア:

[(1, 21270252), (2, 10635126), (3, 7090084), (4, 5317563), (6, 3545042), (12, 1772521), (1103, 19284), (1607, 13236), (2206, 9642), (3214, 6618), (3309, 6428), (4412, 4821)]