213516910

素因数分解:

$2^1\times 5^1\times {\mathrm{4099}}^1\times {\mathrm{5209}}^1$

素因数の和:9315

約数の個数: 16

約数和(自身を含む): 384498000

約数和(自身を除く): 170981090

約数列:

[1, 2, 5, 10, 4099, 5209, 8198, 10418, 20495, 26045, 40990, 52090, 21351691, 42703382, 106758455, 213516910]

約数ペア:

[(1, 213516910), (2, 106758455), (5, 42703382), (10, 21351691), (4099, 52090), (5209, 40990), (8198, 26045), (10418, 20495)]