21421142

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{211}}^1\times {\mathrm{2207}}^1$

素因数の和:2443

約数の個数: 16

約数和(自身を含む): 33702912

約数和(自身を除く): 12281770

約数列:

[1, 2, 23, 46, 211, 422, 2207, 4414, 4853, 9706, 50761, 101522, 465677, 931354, 10710571, 21421142]

約数ペア:

[(1, 21421142), (2, 10710571), (23, 931354), (46, 465677), (211, 101522), (422, 50761), (2207, 9706), (4414, 4853)]