21992016

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{26951}}^1$

素因数の和:26979

約数の個数: 40

約数和(自身を含む): 60156864

約数和(自身を除く): 38164848

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 136, 204, 272, 408, 816, 26951, 53902, 80853, 107804, 161706, 215608, 323412, 431216, 458167, 646824, 916334, 1293648, 1374501, 1832668, 2749002, 3665336, 5498004, 7330672, 10996008, 21992016]

約数ペア:

[(1, 21992016), (2, 10996008), (3, 7330672), (4, 5498004), (6, 3665336), (8, 2749002), (12, 1832668), (16, 1374501), (17, 1293648), (24, 916334), (34, 646824), (48, 458167), (51, 431216), (68, 323412), (102, 215608), (136, 161706), (204, 107804), (272, 80853), (408, 53902), (816, 26951)]