21893150

素因数分解:

$2^1\times 5^2\times {\mathrm{173}}^1\times {\mathrm{2531}}^1$

素因数の和:2716

約数の個数: 24

約数和(自身を含む): 40972824

約数和(自身を除く): 19079674

約数列:

[1, 2, 5, 10, 25, 50, 173, 346, 865, 1730, 2531, 4325, 5062, 8650, 12655, 25310, 63275, 126550, 437863, 875726, 2189315, 4378630, 10946575, 21893150]

約数ペア:

[(1, 21893150), (2, 10946575), (5, 4378630), (10, 2189315), (25, 875726), (50, 437863), (173, 126550), (346, 63275), (865, 25310), (1730, 12655), (2531, 8650), (4325, 5062)]