21390444

素因数分解:

$2^2\times 3^2\times {\mathrm{594179}}^1$

素因数の和:594189

約数の個数: 18

約数和(自身を含む): 54070380

約数和(自身を除く): 32679936

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 594179, 1188358, 1782537, 2376716, 3565074, 5347611, 7130148, 10695222, 21390444]

約数ペア:

[(1, 21390444), (2, 10695222), (3, 7130148), (4, 5347611), (6, 3565074), (9, 2376716), (12, 1782537), (18, 1188358), (36, 594179)]