21318414

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{273313}}^1$

素因数の和:273331

約数の個数: 16

約数和(自身を含む): 45916752

約数和(自身を除く): 24598338

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 273313, 546626, 819939, 1639878, 3553069, 7106138, 10659207, 21318414]

約数ペア:

[(1, 21318414), (2, 10659207), (3, 7106138), (6, 3553069), (13, 1639878), (26, 819939), (39, 546626), (78, 273313)]