21841175

素因数分解:

$5^2\times {\mathrm{17}}^2\times {\mathrm{3023}}^1$

素因数の和:3067

約数の個数: 18

約数和(自身を含む): 28779408

約数和(自身を除く): 6938233

約数列:

[1, 5, 17, 25, 85, 289, 425, 1445, 3023, 7225, 15115, 51391, 75575, 256955, 873647, 1284775, 4368235, 21841175]

約数ペア:

[(1, 21841175), (5, 4368235), (17, 1284775), (25, 873647), (85, 256955), (289, 75575), (425, 51391), (1445, 15115), (3023, 7225)]