21310485

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{6547}}^1$

素因数の和:6593

約数の個数: 32

約数和(自身を含む): 40230912

約数和(自身を除く): 18920427

約数列:

[1, 3, 5, 7, 15, 21, 31, 35, 93, 105, 155, 217, 465, 651, 1085, 3255, 6547, 19641, 32735, 45829, 98205, 137487, 202957, 229145, 608871, 687435, 1014785, 1420699, 3044355, 4262097, 7103495, 21310485]

約数ペア:

[(1, 21310485), (3, 7103495), (5, 4262097), (7, 3044355), (15, 1420699), (21, 1014785), (31, 687435), (35, 608871), (93, 229145), (105, 202957), (155, 137487), (217, 98205), (465, 45829), (651, 32735), (1085, 19641), (3255, 6547)]