21108503

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{227}}^1\times {\mathrm{311}}^1$

素因数の和:574

約数の個数: 16

約数和(自身を含む): 23901696

約数和(自身を除く): 2793193

約数列:

[1, 13, 23, 227, 299, 311, 2951, 4043, 5221, 7153, 67873, 70597, 92989, 917761, 1623731, 21108503]

約数ペア:

[(1, 21108503), (13, 1623731), (23, 917761), (227, 92989), (299, 70597), (311, 67873), (2951, 7153), (4043, 5221)]