21385068

素因数分解:

$2^2\times 3^1\times {\mathrm{691}}^1\times {\mathrm{2579}}^1$

素因数の和:3277

約数の個数: 24

約数和(自身を含む): 49990080

約数和(自身を除く): 28605012

約数列:

[1, 2, 3, 4, 6, 12, 691, 1382, 2073, 2579, 2764, 4146, 5158, 7737, 8292, 10316, 15474, 30948, 1782089, 3564178, 5346267, 7128356, 10692534, 21385068]

約数ペア:

[(1, 21385068), (2, 10692534), (3, 7128356), (4, 5346267), (6, 3564178), (12, 1782089), (691, 30948), (1382, 15474), (2073, 10316), (2579, 8292), (2764, 7737), (4146, 5158)]