21455272

素因数分解:

$2^3\times {\mathrm{487}}^1\times {\mathrm{5507}}^1$

素因数の和:6000

約数の個数: 16

約数和(自身を含む): 40318560

約数和(自身を除く): 18863288

約数列:

[1, 2, 4, 8, 487, 974, 1948, 3896, 5507, 11014, 22028, 44056, 2681909, 5363818, 10727636, 21455272]

約数ペア:

[(1, 21455272), (2, 10727636), (4, 5363818), (8, 2681909), (487, 44056), (974, 22028), (1948, 11014), (3896, 5507)]