21610672

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{79451}}^1$

素因数の和:79476

約数の個数: 20

約数和(自身を含む): 44334216

約数和(自身を除く): 22723544

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 272, 79451, 158902, 317804, 635608, 1271216, 1350667, 2701334, 5402668, 10805336, 21610672]

約数ペア:

[(1, 21610672), (2, 10805336), (4, 5402668), (8, 2701334), (16, 1350667), (17, 1271216), (34, 635608), (68, 317804), (136, 158902), (272, 79451)]