21105370

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{14759}}^1$

素因数の和:14790

約数の個数: 32

約数和(自身を含む): 44634240

約数和(自身を除く): 23528870

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 55, 65, 110, 130, 143, 286, 715, 1430, 14759, 29518, 73795, 147590, 162349, 191867, 324698, 383734, 811745, 959335, 1623490, 1918670, 2110537, 4221074, 10552685, 21105370]

約数ペア:

[(1, 21105370), (2, 10552685), (5, 4221074), (10, 2110537), (11, 1918670), (13, 1623490), (22, 959335), (26, 811745), (55, 383734), (65, 324698), (110, 191867), (130, 162349), (143, 147590), (286, 73795), (715, 29518), (1430, 14759)]