21866630

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{523}}^1$

素因数の和:680

約数の個数: 32

約数和(自身を含む): 40859424

約数和(自身を除く): 18992794

約数列:

[1, 2, 5, 10, 37, 74, 113, 185, 226, 370, 523, 565, 1046, 1130, 2615, 4181, 5230, 8362, 19351, 20905, 38702, 41810, 59099, 96755, 118198, 193510, 295495, 590990, 2186663, 4373326, 10933315, 21866630]

約数ペア:

[(1, 21866630), (2, 10933315), (5, 4373326), (10, 2186663), (37, 590990), (74, 295495), (113, 193510), (185, 118198), (226, 96755), (370, 59099), (523, 41810), (565, 38702), (1046, 20905), (1130, 19351), (2615, 8362), (4181, 5230)]