21558366

素因数分解:

$2^1\times 3^3\times {\mathrm{113}}^1\times {\mathrm{3533}}^1$

素因数の和:3657

約数の個数: 32

約数和(自身を含む): 48345120

約数和(自身を除く): 26786754

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 113, 226, 339, 678, 1017, 2034, 3051, 3533, 6102, 7066, 10599, 21198, 31797, 63594, 95391, 190782, 399229, 798458, 1197687, 2395374, 3593061, 7186122, 10779183, 21558366]

約数ペア:

[(1, 21558366), (2, 10779183), (3, 7186122), (6, 3593061), (9, 2395374), (18, 1197687), (27, 798458), (54, 399229), (113, 190782), (226, 95391), (339, 63594), (678, 31797), (1017, 21198), (2034, 10599), (3051, 7066), (3533, 6102)]