21142424

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{83}}^1\times {\mathrm{1873}}^1$

素因数の和:1979

約数の個数: 32

約数和(自身を含む): 42502320

約数和(自身を除く): 21359896

約数列:

[1, 2, 4, 8, 17, 34, 68, 83, 136, 166, 332, 664, 1411, 1873, 2822, 3746, 5644, 7492, 11288, 14984, 31841, 63682, 127364, 155459, 254728, 310918, 621836, 1243672, 2642803, 5285606, 10571212, 21142424]

約数ペア:

[(1, 21142424), (2, 10571212), (4, 5285606), (8, 2642803), (17, 1243672), (34, 621836), (68, 310918), (83, 254728), (136, 155459), (166, 127364), (332, 63682), (664, 31841), (1411, 14984), (1873, 11288), (2822, 7492), (3746, 5644)]