21898875

素因数分解:

$3^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{2539}}^1$

素因数の和:2580

約数の個数: 32

約数和(自身を含む): 38039040

約数和(自身を除く): 16140165

約数列:

[1, 3, 5, 15, 23, 25, 69, 75, 115, 125, 345, 375, 575, 1725, 2539, 2875, 7617, 8625, 12695, 38085, 58397, 63475, 175191, 190425, 291985, 317375, 875955, 952125, 1459925, 4379775, 7299625, 21898875]

約数ペア:

[(1, 21898875), (3, 7299625), (5, 4379775), (15, 1459925), (23, 952125), (25, 875955), (69, 317375), (75, 291985), (115, 190425), (125, 175191), (345, 63475), (375, 58397), (575, 38085), (1725, 12695), (2539, 8625), (2875, 7617)]