21174225

素因数分解:

$3^1\times 5^2\times {\mathrm{103}}^1\times {\mathrm{2741}}^1$

素因数の和:2857

約数の個数: 24

約数和(自身を含む): 35360832

約数和(自身を除く): 14186607

約数列:

[1, 3, 5, 15, 25, 75, 103, 309, 515, 1545, 2575, 2741, 7725, 8223, 13705, 41115, 68525, 205575, 282323, 846969, 1411615, 4234845, 7058075, 21174225]

約数ペア:

[(1, 21174225), (3, 7058075), (5, 4234845), (15, 1411615), (25, 846969), (75, 282323), (103, 205575), (309, 68525), (515, 41115), (1545, 13705), (2575, 8223), (2741, 7725)]