21858825

素因数分解:

$3^1\times 5^2\times {\mathrm{379}}^1\times {\mathrm{769}}^1$

素因数の和:1161

約数の個数: 24

約数和(自身を含む): 36282400

約数和(自身を除く): 14423575

約数列:

[1, 3, 5, 15, 25, 75, 379, 769, 1137, 1895, 2307, 3845, 5685, 9475, 11535, 19225, 28425, 57675, 291451, 874353, 1457255, 4371765, 7286275, 21858825]

約数ペア:

[(1, 21858825), (3, 7286275), (5, 4371765), (15, 1457255), (25, 874353), (75, 291451), (379, 57675), (769, 28425), (1137, 19225), (1895, 11535), (2307, 9475), (3845, 5685)]