21514128

素因数分解:

$2^4\times 3^1\times {\mathrm{523}}^1\times {\mathrm{857}}^1$

素因数の和:1391

約数の個数: 40

約数和(自身を含む): 55749408

約数和(自身を除く): 34235280

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 523, 857, 1046, 1569, 1714, 2092, 2571, 3138, 3428, 4184, 5142, 6276, 6856, 8368, 10284, 12552, 13712, 20568, 25104, 41136, 448211, 896422, 1344633, 1792844, 2689266, 3585688, 5378532, 7171376, 10757064, 21514128]

約数ペア:

[(1, 21514128), (2, 10757064), (3, 7171376), (4, 5378532), (6, 3585688), (8, 2689266), (12, 1792844), (16, 1344633), (24, 896422), (48, 448211), (523, 41136), (857, 25104), (1046, 20568), (1569, 13712), (1714, 12552), (2092, 10284), (2571, 8368), (3138, 6856), (3428, 6276), (4184, 5142)]