21264278

素因数分解:

$2^1\times 7^1\times {\mathrm{937}}^1\times {\mathrm{1621}}^1$

素因数の和:2567

約数の個数: 16

約数和(自身を含む): 36514464

約数和(自身を除く): 15250186

約数列:

[1, 2, 7, 14, 937, 1621, 1874, 3242, 6559, 11347, 13118, 22694, 1518877, 3037754, 10632139, 21264278]

約数ペア:

[(1, 21264278), (2, 10632139), (7, 3037754), (14, 1518877), (937, 22694), (1621, 13118), (1874, 11347), (3242, 6559)]