21744112

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{107}}^1\times {\mathrm{977}}^1$

素因数の和:1105

約数の個数: 40

約数和(自身を含む): 45840816

約数和(自身を除く): 24096704

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 107, 208, 214, 428, 856, 977, 1391, 1712, 1954, 2782, 3908, 5564, 7816, 11128, 12701, 15632, 22256, 25402, 50804, 101608, 104539, 203216, 209078, 418156, 836312, 1359007, 1672624, 2718014, 5436028, 10872056, 21744112]

約数ペア:

[(1, 21744112), (2, 10872056), (4, 5436028), (8, 2718014), (13, 1672624), (16, 1359007), (26, 836312), (52, 418156), (104, 209078), (107, 203216), (208, 104539), (214, 101608), (428, 50804), (856, 25402), (977, 22256), (1391, 15632), (1712, 12701), (1954, 11128), (2782, 7816), (3908, 5564)]