21402918

素因数分解:

$2^1\times 3^2\times {\mathrm{739}}^1\times {\mathrm{1609}}^1$

素因数の和:2356

約数の個数: 24

約数和(自身を含む): 46464600

約数和(自身を除く): 25061682

約数列:

[1, 2, 3, 6, 9, 18, 739, 1478, 1609, 2217, 3218, 4434, 4827, 6651, 9654, 13302, 14481, 28962, 1189051, 2378102, 3567153, 7134306, 10701459, 21402918]

約数ペア:

[(1, 21402918), (2, 10701459), (3, 7134306), (6, 3567153), (9, 2378102), (18, 1189051), (739, 28962), (1478, 14481), (1609, 13302), (2217, 9654), (3218, 6651), (4434, 4827)]