21928881

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{227}}^1\times {\mathrm{2477}}^1$

素因数の和:2720

約数の個数: 16

約数和(自身を含む): 31639104

約数和(自身を除く): 9710223

約数列:

[1, 3, 13, 39, 227, 681, 2477, 2951, 7431, 8853, 32201, 96603, 562279, 1686837, 7309627, 21928881]

約数ペア:

[(1, 21928881), (3, 7309627), (13, 1686837), (39, 562279), (227, 96603), (681, 32201), (2477, 8853), (2951, 7431)]