21112322

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^4\times {\mathrm{103}}^1$

素因数の和:156

約数の個数: 40

約数和(自身を含む): 40198080

約数和(自身を除く): 19085758

約数列:

[1, 2, 7, 11, 14, 22, 77, 103, 121, 154, 206, 242, 721, 847, 1133, 1331, 1442, 1694, 2266, 2662, 7931, 9317, 12463, 14641, 15862, 18634, 24926, 29282, 87241, 102487, 137093, 174482, 204974, 274186, 959651, 1508023, 1919302, 3016046, 10556161, 21112322]

約数ペア:

[(1, 21112322), (2, 10556161), (7, 3016046), (11, 1919302), (14, 1508023), (22, 959651), (77, 274186), (103, 204974), (121, 174482), (154, 137093), (206, 102487), (242, 87241), (721, 29282), (847, 24926), (1133, 18634), (1331, 15862), (1442, 14641), (1694, 12463), (2266, 9317), (2662, 7931)]