21881238

素因数分解:

$2^1\times 3^1\times {\mathrm{43}}^1\times {\mathrm{84811}}^1$

素因数の和:84859

約数の個数: 16

約数和(自身を含む): 44780736

約数和(自身を除く): 22899498

約数列:

[1, 2, 3, 6, 43, 86, 129, 258, 84811, 169622, 254433, 508866, 3646873, 7293746, 10940619, 21881238]

約数ペア:

[(1, 21881238), (2, 10940619), (3, 7293746), (6, 3646873), (43, 508866), (86, 254433), (129, 169622), (258, 84811)]