21297186

素因数分解:

$2^1\times 3^2\times {\mathrm{31}}^1\times {\mathrm{38167}}^1$

素因数の和:38206

約数の個数: 24

約数和(自身を含む): 47633664

約数和(自身を除く): 26336478

約数列:

[1, 2, 3, 6, 9, 18, 31, 62, 93, 186, 279, 558, 38167, 76334, 114501, 229002, 343503, 687006, 1183177, 2366354, 3549531, 7099062, 10648593, 21297186]

約数ペア:

[(1, 21297186), (2, 10648593), (3, 7099062), (6, 3549531), (9, 2366354), (18, 1183177), (31, 687006), (62, 343503), (93, 229002), (186, 114501), (279, 76334), (558, 38167)]