21313929

素因数分解:

$3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{773}}^1$

素因数の和:897

約数の個数: 32

約数和(自身を含む): 35368704

約数和(自身を除く): 14054775

約数列:

[1, 3, 7, 13, 21, 39, 91, 101, 273, 303, 707, 773, 1313, 2121, 2319, 3939, 5411, 9191, 10049, 16233, 27573, 30147, 70343, 78073, 211029, 234219, 546511, 1014949, 1639533, 3044847, 7104643, 21313929]

約数ペア:

[(1, 21313929), (3, 7104643), (7, 3044847), (13, 1639533), (21, 1014949), (39, 546511), (91, 234219), (101, 211029), (273, 78073), (303, 70343), (707, 30147), (773, 27573), (1313, 16233), (2121, 10049), (2319, 9191), (3939, 5411)]