21246838

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{7529}}^1$

素因数の和:7631

約数の個数: 16

約数和(自身を含む): 34156080

約数和(自身を除く): 12909242

約数列:

[1, 2, 17, 34, 83, 166, 1411, 2822, 7529, 15058, 127993, 255986, 624907, 1249814, 10623419, 21246838]

約数ペア:

[(1, 21246838), (2, 10623419), (17, 1249814), (34, 624907), (83, 255986), (166, 127993), (1411, 15058), (2822, 7529)]