21000547688

素因数分解:

$2^3\times {\mathrm{174157}}^1\times {\mathrm{15073}}^1$

素因数の和:189236

約数の個数: 16

約数和(自身を含む): 39378865380

約数和(自身を除く): 18378317692

約数列:

[1, 2, 4, 8, 15073, 30146, 60292, 120584, 174157, 348314, 696628, 1393256, 2625068461, 5250136922, 10500273844, 21000547688]

約数ペア:

[(1, 21000547688), (2, 10500273844), (4, 5250136922), (8, 2625068461), (15073, 1393256), (30146, 696628), (60292, 348314), (120584, 174157)]