21119344

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{14831}}^1$

素因数の和:14928

約数の個数: 20

約数和(自身を含む): 41381280

約数和(自身を除く): 20261936

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 14831, 29662, 59324, 118648, 237296, 1319959, 2639918, 5279836, 10559672, 21119344]

約数ペア:

[(1, 21119344), (2, 10559672), (4, 5279836), (8, 2639918), (16, 1319959), (89, 237296), (178, 118648), (356, 59324), (712, 29662), (1424, 14831)]