21375574

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{5087}}^1$

素因数の和:5291

約数の個数: 16

約数和(自身を含む): 35168256

約数和(自身を除く): 13792682

約数列:

[1, 2, 11, 22, 191, 382, 2101, 4202, 5087, 10174, 55957, 111914, 971617, 1943234, 10687787, 21375574]

約数ペア:

[(1, 21375574), (2, 10687787), (11, 1943234), (22, 971617), (191, 111914), (382, 55957), (2101, 10174), (4202, 5087)]