21718734

素因数分解:

$2^1\times 3^1\times {\mathrm{821}}^1\times {\mathrm{4409}}^1$

素因数の和:5235

約数の個数: 16

約数和(自身を含む): 43500240

約数和(自身を除く): 21781506

約数列:

[1, 2, 3, 6, 821, 1642, 2463, 4409, 4926, 8818, 13227, 26454, 3619789, 7239578, 10859367, 21718734]

約数ペア:

[(1, 21718734), (2, 10859367), (3, 7239578), (6, 3619789), (821, 26454), (1642, 13227), (2463, 8818), (4409, 4926)]