21167383195

素因数分解:

$5^1\times 7^1\times {\mathrm{953}}^1\times {\mathrm{634609}}^1$

素因数の和:635574

約数の個数: 16

約数和(自身を含む): 29060061120

約数和(自身を除く): 7892677925

約数列:

[1, 5, 7, 35, 953, 4765, 6671, 33355, 634609, 3173045, 4442263, 22211315, 604782377, 3023911885, 4233476639, 21167383195]

約数ペア:

[(1, 21167383195), (5, 4233476639), (7, 3023911885), (35, 604782377), (953, 22211315), (4765, 4442263), (6671, 3173045), (33355, 634609)]