21922381

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{157}}^1\times {\mathrm{467}}^1$

素因数の和:660

約数の個数: 16

約数和(自身を含む): 24845184

約数和(自身を除く): 2922803

約数列:

[1, 13, 23, 157, 299, 467, 2041, 3611, 6071, 10741, 46943, 73319, 139633, 953147, 1686337, 21922381]

約数ペア:

[(1, 21922381), (13, 1686337), (23, 953147), (157, 139633), (299, 73319), (467, 46943), (2041, 10741), (3611, 6071)]