21810422

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{20693}}^1$

素因数の和:20743

約数の個数: 16

約数和(自身を含む): 35759232

約数和(自身を除く): 13948810

約数列:

[1, 2, 17, 31, 34, 62, 527, 1054, 20693, 41386, 351781, 641483, 703562, 1282966, 10905211, 21810422]

約数ペア:

[(1, 21810422), (2, 10905211), (17, 1282966), (31, 703562), (34, 641483), (62, 351781), (527, 41386), (1054, 20693)]