21413315

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{55619}}^1$

素因数の和:55642

約数の個数: 16

約数和(自身を含む): 32037120

約数和(自身を除く): 10623805

約数列:

[1, 5, 7, 11, 35, 55, 77, 385, 55619, 278095, 389333, 611809, 1946665, 3059045, 4282663, 21413315]

約数ペア:

[(1, 21413315), (5, 4282663), (7, 3059045), (11, 1946665), (35, 611809), (55, 389333), (77, 278095), (385, 55619)]