21795850

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{22943}}^1$

素因数の和:22974

約数の個数: 24

約数和(自身を含む): 42675840

約数和(自身を除く): 20879990

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 190, 475, 950, 22943, 45886, 114715, 229430, 435917, 573575, 871834, 1147150, 2179585, 4359170, 10897925, 21795850]

約数ペア:

[(1, 21795850), (2, 10897925), (5, 4359170), (10, 2179585), (19, 1147150), (25, 871834), (38, 573575), (50, 435917), (95, 229430), (190, 114715), (475, 45886), (950, 22943)]