21449818

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{3733}}^1$

素因数の和:3778

約数の個数: 24

約数和(自身を含む): 36899388

約数和(自身を除く): 15449570

約数列:

[1, 2, 13, 17, 26, 34, 169, 221, 338, 442, 2873, 3733, 5746, 7466, 48529, 63461, 97058, 126922, 630877, 824993, 1261754, 1649986, 10724909, 21449818]

約数ペア:

[(1, 21449818), (2, 10724909), (13, 1649986), (17, 1261754), (26, 824993), (34, 630877), (169, 126922), (221, 97058), (338, 63461), (442, 48529), (2873, 7466), (3733, 5746)]