21572375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{541}}^1$

素因数の和:596

約数の個数: 32

約数和(自身を含む): 30438720

約数和(自身を除く): 8866345

約数列:

[1, 5, 11, 25, 29, 55, 125, 145, 275, 319, 541, 725, 1375, 1595, 2705, 3625, 5951, 7975, 13525, 15689, 29755, 39875, 67625, 78445, 148775, 172579, 392225, 743875, 862895, 1961125, 4314475, 21572375]

約数ペア:

[(1, 21572375), (5, 4314475), (11, 1961125), (25, 862895), (29, 743875), (55, 392225), (125, 172579), (145, 148775), (275, 78445), (319, 67625), (541, 39875), (725, 29755), (1375, 15689), (1595, 13525), (2705, 7975), (3625, 5951)]