20211478679

素因数分解:

$7^1\times {\mathrm{277}}^1\times {\mathrm{2207}}^1\times {\mathrm{4723}}^1$

素因数の和:7214

約数の個数: 16

約数和(自身を含む): 23197636608

約数和(自身を除く): 2986157929

約数列:

[1, 7, 277, 1939, 2207, 4723, 15449, 33061, 611339, 1308271, 4279373, 9157897, 10423661, 72965627, 2887354097, 20211478679]

約数ペア:

[(1, 20211478679), (7, 2887354097), (277, 72965627), (1939, 10423661), (2207, 9157897), (4723, 4279373), (15449, 1308271), (33061, 611339)]