21164872

素因数分解:

$2^3\times {\mathrm{587}}^1\times {\mathrm{4507}}^1$

素因数の和:5100

約数の個数: 16

約数和(自身を含む): 39760560

約数和(自身を除く): 18595688

約数列:

[1, 2, 4, 8, 587, 1174, 2348, 4507, 4696, 9014, 18028, 36056, 2645609, 5291218, 10582436, 21164872]

約数ペア:

[(1, 21164872), (2, 10582436), (4, 5291218), (8, 2645609), (587, 36056), (1174, 18028), (2348, 9014), (4507, 4696)]