21016872

素因数分解:

$2^3\times 3^2\times {\mathrm{291901}}^1$

素因数の和:291913

約数の個数: 24

約数和(自身を含む): 56920890

約数和(自身を除く): 35904018

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 291901, 583802, 875703, 1167604, 1751406, 2335208, 2627109, 3502812, 5254218, 7005624, 10508436, 21016872]

約数ペア:

[(1, 21016872), (2, 10508436), (3, 7005624), (4, 5254218), (6, 3502812), (8, 2627109), (9, 2335208), (12, 1751406), (18, 1167604), (24, 875703), (36, 583802), (72, 291901)]