21924325

素因数分解:

$5^2\times {\mathrm{47}}^2\times {\mathrm{397}}^1$

素因数の和:501

約数の個数: 18

約数和(自身を含む): 27846866

約数和(自身を除く): 5922541

約数列:

[1, 5, 25, 47, 235, 397, 1175, 1985, 2209, 9925, 11045, 18659, 55225, 93295, 466475, 876973, 4384865, 21924325]

約数ペア:

[(1, 21924325), (5, 4384865), (25, 876973), (47, 466475), (235, 93295), (397, 55225), (1175, 18659), (1985, 11045), (2209, 9925)]