20210816

素因数分解:

$2^7\times {\mathrm{157897}}^1$

素因数の和:157911

約数の個数: 16

約数和(自身を含む): 40263990

約数和(自身を除く): 20053174

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 157897, 315794, 631588, 1263176, 2526352, 5052704, 10105408, 20210816]

約数ペア:

[(1, 20210816), (2, 10105408), (4, 5052704), (8, 2526352), (16, 1263176), (32, 631588), (64, 315794), (128, 157897)]