21000604389

素因数分解:

$3^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1\times {\mathrm{166169}}^1$

素因数の和:166684

約数の個数: 16

約数和(自身を含む): 28341955200

約数和(自身を除く): 7341350811

約数列:

[1, 3, 103, 309, 409, 1227, 42127, 126381, 166169, 498507, 17115407, 51346221, 67963121, 203889363, 7000201463, 21000604389]

約数ペア:

[(1, 21000604389), (3, 7000201463), (103, 203889363), (309, 67963121), (409, 51346221), (1227, 17115407), (42127, 498507), (126381, 166169)]