21187614

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{641}}^1\times {\mathrm{787}}^1$

素因数の和:1440

約数の個数: 32

約数和(自身を含む): 48566016

約数和(自身を除く): 27378402

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 641, 787, 1282, 1574, 1923, 2361, 3846, 4487, 4722, 5509, 8974, 11018, 13461, 16527, 26922, 33054, 504467, 1008934, 1513401, 3026802, 3531269, 7062538, 10593807, 21187614]

約数ペア:

[(1, 21187614), (2, 10593807), (3, 7062538), (6, 3531269), (7, 3026802), (14, 1513401), (21, 1008934), (42, 504467), (641, 33054), (787, 26922), (1282, 16527), (1574, 13461), (1923, 11018), (2361, 8974), (3846, 5509), (4487, 4722)]