21233415

素因数分解:

$3^1\times 5^1\times 7^3\times {\mathrm{4127}}^1$

素因数の和:4156

約数の個数: 32

約数和(自身を含む): 39628800

約数和(自身を除く): 18395385

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 105, 147, 245, 343, 735, 1029, 1715, 4127, 5145, 12381, 20635, 28889, 61905, 86667, 144445, 202223, 433335, 606669, 1011115, 1415561, 3033345, 4246683, 7077805, 21233415]

約数ペア:

[(1, 21233415), (3, 7077805), (5, 4246683), (7, 3033345), (15, 1415561), (21, 1011115), (35, 606669), (49, 433335), (105, 202223), (147, 144445), (245, 86667), (343, 61905), (735, 28889), (1029, 20635), (1715, 12381), (4127, 5145)]