21103325

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{67}}^1\times {\mathrm{293}}^1$

素因数の和:413

約数の個数: 24

約数和(自身を含む): 27269088

約数和(自身を除く): 6165763

約数列:

[1, 5, 25, 43, 67, 215, 293, 335, 1075, 1465, 1675, 2881, 7325, 12599, 14405, 19631, 62995, 72025, 98155, 314975, 490775, 844133, 4220665, 21103325]

約数ペア:

[(1, 21103325), (5, 4220665), (25, 844133), (43, 490775), (67, 314975), (215, 98155), (293, 72025), (335, 62995), (1075, 19631), (1465, 14405), (1675, 12599), (2881, 7325)]