21368820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32377}}^1$

素因数の和:32400

約数の個数: 48

約数和(自身を含む): 65274048

約数和(自身を除く): 43905228

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 32377, 64754, 97131, 129508, 161885, 194262, 323770, 356147, 388524, 485655, 647540, 712294, 971310, 1068441, 1424588, 1780735, 1942620, 2136882, 3561470, 4273764, 5342205, 7122940, 10684410, 21368820]

約数ペア:

[(1, 21368820), (2, 10684410), (3, 7122940), (4, 5342205), (5, 4273764), (6, 3561470), (10, 2136882), (11, 1942620), (12, 1780735), (15, 1424588), (20, 1068441), (22, 971310), (30, 712294), (33, 647540), (44, 485655), (55, 388524), (60, 356147), (66, 323770), (110, 194262), (132, 161885), (165, 129508), (220, 97131), (330, 64754), (660, 32377)]