21003858

素因数分解:

$2^1\times 3^2\times {\mathrm{739}}^1\times {\mathrm{1579}}^1$

素因数の和:2326

約数の個数: 24

約数和(自身を含む): 45598800

約数和(自身を除く): 24594942

約数列:

[1, 2, 3, 6, 9, 18, 739, 1478, 1579, 2217, 3158, 4434, 4737, 6651, 9474, 13302, 14211, 28422, 1166881, 2333762, 3500643, 7001286, 10501929, 21003858]

約数ペア:

[(1, 21003858), (2, 10501929), (3, 7001286), (6, 3500643), (9, 2333762), (18, 1166881), (739, 28422), (1478, 14211), (1579, 13302), (2217, 9474), (3158, 6651), (4434, 4737)]