21357744

素因数分解:

$2^4\times 3^1\times {\mathrm{444953}}^1$

素因数の和:444964

約数の個数: 20

約数和(自身を含む): 55174296

約数和(自身を除く): 33816552

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 444953, 889906, 1334859, 1779812, 2669718, 3559624, 5339436, 7119248, 10678872, 21357744]

約数ペア:

[(1, 21357744), (2, 10678872), (3, 7119248), (4, 5339436), (6, 3559624), (8, 2669718), (12, 1779812), (16, 1334859), (24, 889906), (48, 444953)]