21811736

素因数分解:

$2^3\times {\mathrm{83}}^1\times {\mathrm{107}}^1\times {\mathrm{307}}^1$

素因数の和:503

約数の個数: 32

約数和(自身を含む): 41912640

約数和(自身を除く): 20100904

約数列:

[1, 2, 4, 8, 83, 107, 166, 214, 307, 332, 428, 614, 664, 856, 1228, 2456, 8881, 17762, 25481, 32849, 35524, 50962, 65698, 71048, 101924, 131396, 203848, 262792, 2726467, 5452934, 10905868, 21811736]

約数ペア:

[(1, 21811736), (2, 10905868), (4, 5452934), (8, 2726467), (83, 262792), (107, 203848), (166, 131396), (214, 101924), (307, 71048), (332, 65698), (428, 50962), (614, 35524), (664, 32849), (856, 25481), (1228, 17762), (2456, 8881)]