21992884

素因数分解:

$2^2\times {\mathrm{67}}^1\times {\mathrm{137}}^1\times {\mathrm{599}}^1$

素因数の和:807

約数の個数: 24

約数和(自身を含む): 39412800

約数和(自身を除く): 17419916

約数列:

[1, 2, 4, 67, 134, 137, 268, 274, 548, 599, 1198, 2396, 9179, 18358, 36716, 40133, 80266, 82063, 160532, 164126, 328252, 5498221, 10996442, 21992884]

約数ペア:

[(1, 21992884), (2, 10996442), (4, 5498221), (67, 328252), (134, 164126), (137, 160532), (268, 82063), (274, 80266), (548, 40133), (599, 36716), (1198, 18358), (2396, 9179)]