21804178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{5189}}^1$

素因数の和:5393

約数の個数: 16

約数和(自身を含む): 35873280

約数和(自身を除く): 14069102

約数列:

[1, 2, 11, 22, 191, 382, 2101, 4202, 5189, 10378, 57079, 114158, 991099, 1982198, 10902089, 21804178]

約数ペア:

[(1, 21804178), (2, 10902089), (11, 1982198), (22, 991099), (191, 114158), (382, 57079), (2101, 10378), (4202, 5189)]