21946574

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{373}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 37196544

約数和(自身を除く): 15249970

約数列:

[1, 2, 13, 26, 31, 62, 73, 146, 373, 403, 746, 806, 949, 1898, 2263, 4526, 4849, 9698, 11563, 23126, 27229, 29419, 54458, 58838, 150319, 300638, 353977, 707954, 844099, 1688198, 10973287, 21946574]

約数ペア:

[(1, 21946574), (2, 10973287), (13, 1688198), (26, 844099), (31, 707954), (62, 353977), (73, 300638), (146, 150319), (373, 58838), (403, 54458), (746, 29419), (806, 27229), (949, 23126), (1898, 11563), (2263, 9698), (4526, 4849)]