21470932

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1049}}^1$

素因数の和:1120

約数の個数: 48

約数和(自身を含む): 46569600

約数和(自身を除く): 25098668

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 43, 68, 86, 119, 172, 238, 301, 476, 602, 731, 1049, 1204, 1462, 2098, 2924, 4196, 5117, 7343, 10234, 14686, 17833, 20468, 29372, 35666, 45107, 71332, 90214, 124831, 180428, 249662, 315749, 499324, 631498, 766819, 1262996, 1533638, 3067276, 5367733, 10735466, 21470932]

約数ペア:

[(1, 21470932), (2, 10735466), (4, 5367733), (7, 3067276), (14, 1533638), (17, 1262996), (28, 766819), (34, 631498), (43, 499324), (68, 315749), (86, 249662), (119, 180428), (172, 124831), (238, 90214), (301, 71332), (476, 45107), (602, 35666), (731, 29372), (1049, 20468), (1204, 17833), (1462, 14686), (2098, 10234), (2924, 7343), (4196, 5117)]