21971004

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{9791}}^1$

素因数の和:9826

約数の個数: 48

約数和(自身を含む): 59222016

約数和(自身を除く): 37251012

約数列:

[1, 2, 3, 4, 6, 11, 12, 17, 22, 33, 34, 44, 51, 66, 68, 102, 132, 187, 204, 374, 561, 748, 1122, 2244, 9791, 19582, 29373, 39164, 58746, 107701, 117492, 166447, 215402, 323103, 332894, 430804, 499341, 646206, 665788, 998682, 1292412, 1830917, 1997364, 3661834, 5492751, 7323668, 10985502, 21971004]

約数ペア:

[(1, 21971004), (2, 10985502), (3, 7323668), (4, 5492751), (6, 3661834), (11, 1997364), (12, 1830917), (17, 1292412), (22, 998682), (33, 665788), (34, 646206), (44, 499341), (51, 430804), (66, 332894), (68, 323103), (102, 215402), (132, 166447), (187, 117492), (204, 107701), (374, 58746), (561, 39164), (748, 29373), (1122, 19582), (2244, 9791)]