21064244

素因数分解:

$2^2\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{349}}^1$

素因数の和:623

約数の個数: 24

約数和(自身を含む): 37632000

約数和(自身を除く): 16567756

約数列:

[1, 2, 4, 79, 158, 191, 316, 349, 382, 698, 764, 1396, 15089, 27571, 30178, 55142, 60356, 66659, 110284, 133318, 266636, 5266061, 10532122, 21064244]

約数ペア:

[(1, 21064244), (2, 10532122), (4, 5266061), (79, 266636), (158, 133318), (191, 110284), (316, 66659), (349, 60356), (382, 55142), (698, 30178), (764, 27571), (1396, 15089)]