21013188

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{6761}}^1$

素因数の和:6812

約数の個数: 48

約数和(自身を含む): 57558144

約数和(自身を除く): 36544956

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 37, 42, 74, 84, 111, 148, 222, 259, 444, 518, 777, 1036, 1554, 3108, 6761, 13522, 20283, 27044, 40566, 47327, 81132, 94654, 141981, 189308, 250157, 283962, 500314, 567924, 750471, 1000628, 1500942, 1751099, 3001884, 3502198, 5253297, 7004396, 10506594, 21013188]

約数ペア:

[(1, 21013188), (2, 10506594), (3, 7004396), (4, 5253297), (6, 3502198), (7, 3001884), (12, 1751099), (14, 1500942), (21, 1000628), (28, 750471), (37, 567924), (42, 500314), (74, 283962), (84, 250157), (111, 189308), (148, 141981), (222, 94654), (259, 81132), (444, 47327), (518, 40566), (777, 27044), (1036, 20283), (1554, 13522), (3108, 6761)]