21694025

素因数分解:

$5^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{499}}^1$

素因数の和:593

約数の個数: 24

約数和(自身を含む): 28272000

約数和(自身を除く): 6577975

約数列:

[1, 5, 25, 37, 47, 185, 235, 499, 925, 1175, 1739, 2495, 8695, 12475, 18463, 23453, 43475, 92315, 117265, 461575, 586325, 867761, 4338805, 21694025]

約数ペア:

[(1, 21694025), (5, 4338805), (25, 867761), (37, 586325), (47, 461575), (185, 117265), (235, 92315), (499, 43475), (925, 23453), (1175, 18463), (1739, 12475), (2495, 8695)]