21406644

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{84947}}^1$

素因数の和:84964

約数の個数: 36

約数和(自身を含む): 61842144

約数和(自身を除く): 40435500

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 84947, 169894, 254841, 339788, 509682, 594629, 764523, 1019364, 1189258, 1529046, 1783887, 2378516, 3058092, 3567774, 5351661, 7135548, 10703322, 21406644]

約数ペア:

[(1, 21406644), (2, 10703322), (3, 7135548), (4, 5351661), (6, 3567774), (7, 3058092), (9, 2378516), (12, 1783887), (14, 1529046), (18, 1189258), (21, 1019364), (28, 764523), (36, 594629), (42, 509682), (63, 339788), (84, 254841), (126, 169894), (252, 84947)]