21318492

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{136657}}^1$

素因数の和:136677

約数の個数: 24

約数和(自身を含む): 53569936

約数和(自身を除く): 32251444

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 136657, 273314, 409971, 546628, 819942, 1639884, 1776541, 3553082, 5329623, 7106164, 10659246, 21318492]

約数ペア:

[(1, 21318492), (2, 10659246), (3, 7106164), (4, 5329623), (6, 3553082), (12, 1776541), (13, 1639884), (26, 819942), (39, 546628), (52, 409971), (78, 273314), (156, 136657)]