21194348525

素因数分解:

$5^2\times 7^2\times {\mathrm{1109}}^1\times {\mathrm{15601}}^1$

素因数の和:16734

約数の個数: 36

約数和(自身を含む): 30601294740

約数和(自身を除く): 9406946215

約数列:

[1, 5, 7, 25, 35, 49, 175, 245, 1109, 1225, 5545, 7763, 15601, 27725, 38815, 54341, 78005, 109207, 194075, 271705, 390025, 546035, 764449, 1358525, 2730175, 3822245, 17301509, 19111225, 86507545, 121110563, 432537725, 605552815, 847773941, 3027764075, 4238869705, 21194348525]

約数ペア:

[(1, 21194348525), (5, 4238869705), (7, 3027764075), (25, 847773941), (35, 605552815), (49, 432537725), (175, 121110563), (245, 86507545), (1109, 19111225), (1225, 17301509), (5545, 3822245), (7763, 2730175), (15601, 1358525), (27725, 764449), (38815, 546035), (54341, 390025), (78005, 271705), (109207, 194075)]