21441008

素因数分解:

$2^4\times {\mathrm{853}}^1\times {\mathrm{1571}}^1$

素因数の和:2432

約数の個数: 20

約数和(自身を含む): 41617128

約数和(自身を除く): 20176120

約数列:

[1, 2, 4, 8, 16, 853, 1571, 1706, 3142, 3412, 6284, 6824, 12568, 13648, 25136, 1340063, 2680126, 5360252, 10720504, 21441008]

約数ペア:

[(1, 21441008), (2, 10720504), (4, 5360252), (8, 2680126), (16, 1340063), (853, 25136), (1571, 13648), (1706, 12568), (3142, 6824), (3412, 6284)]