21765270

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{42677}}^1$

素因数の和:42704

約数の個数: 32

約数和(自身を含む): 55310688

約数和(自身を除く): 33545418

約数列:

[1, 2, 3, 5, 6, 10, 15, 17, 30, 34, 51, 85, 102, 170, 255, 510, 42677, 85354, 128031, 213385, 256062, 426770, 640155, 725509, 1280310, 1451018, 2176527, 3627545, 4353054, 7255090, 10882635, 21765270]

約数ペア:

[(1, 21765270), (2, 10882635), (3, 7255090), (5, 4353054), (6, 3627545), (10, 2176527), (15, 1451018), (17, 1280310), (30, 725509), (34, 640155), (51, 426770), (85, 256062), (102, 213385), (170, 128031), (255, 85354), (510, 42677)]