21999468

素因数分解:

$2^2\times 3^1\times {\mathrm{157}}^1\times {\mathrm{11677}}^1$

素因数の和:11841

約数の個数: 24

約数和(自身を含む): 51663472

約数和(自身を除く): 29664004

約数列:

[1, 2, 3, 4, 6, 12, 157, 314, 471, 628, 942, 1884, 11677, 23354, 35031, 46708, 70062, 140124, 1833289, 3666578, 5499867, 7333156, 10999734, 21999468]

約数ペア:

[(1, 21999468), (2, 10999734), (3, 7333156), (4, 5499867), (6, 3666578), (12, 1833289), (157, 140124), (314, 70062), (471, 46708), (628, 35031), (942, 23354), (1884, 11677)]