21086790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{702893}}^1$

素因数の和:702903

約数の個数: 16

約数和(自身を含む): 50608368

約数和(自身を除く): 29521578

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 702893, 1405786, 2108679, 3514465, 4217358, 7028930, 10543395, 21086790]

約数ペア:

[(1, 21086790), (2, 10543395), (3, 7028930), (5, 4217358), (6, 3514465), (10, 2108679), (15, 1405786), (30, 702893)]