21366444

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{1031}}^1$

素因数の和:1206

約数の個数: 48

約数和(自身を含む): 54786816

約数和(自身を除く): 33420372

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 157, 314, 471, 628, 942, 1031, 1727, 1884, 2062, 3093, 3454, 4124, 5181, 6186, 6908, 10362, 11341, 12372, 20724, 22682, 34023, 45364, 68046, 136092, 161867, 323734, 485601, 647468, 971202, 1780537, 1942404, 3561074, 5341611, 7122148, 10683222, 21366444]

約数ペア:

[(1, 21366444), (2, 10683222), (3, 7122148), (4, 5341611), (6, 3561074), (11, 1942404), (12, 1780537), (22, 971202), (33, 647468), (44, 485601), (66, 323734), (132, 161867), (157, 136092), (314, 68046), (471, 45364), (628, 34023), (942, 22682), (1031, 20724), (1727, 12372), (1884, 11341), (2062, 10362), (3093, 6908), (3454, 6186), (4124, 5181)]