21919352

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{30109}}^1$

素因数の和:30135

約数の個数: 32

約数和(自身を含む): 50584800

約数和(自身を除く): 28665448

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 30109, 60218, 120436, 210763, 240872, 391417, 421526, 782834, 843052, 1565668, 1686104, 2739919, 3131336, 5479838, 10959676, 21919352]

約数ペア:

[(1, 21919352), (2, 10959676), (4, 5479838), (7, 3131336), (8, 2739919), (13, 1686104), (14, 1565668), (26, 843052), (28, 782834), (52, 421526), (56, 391417), (91, 240872), (104, 210763), (182, 120436), (364, 60218), (728, 30109)]