21509624

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{1451}}^1$

素因数の和:1583

約数の個数: 32

約数和(自身を含む): 43124400

約数和(自身を除く): 21614776

約数列:

[1, 2, 4, 8, 17, 34, 68, 109, 136, 218, 436, 872, 1451, 1853, 2902, 3706, 5804, 7412, 11608, 14824, 24667, 49334, 98668, 158159, 197336, 316318, 632636, 1265272, 2688703, 5377406, 10754812, 21509624]

約数ペア:

[(1, 21509624), (2, 10754812), (4, 5377406), (8, 2688703), (17, 1265272), (34, 632636), (68, 316318), (109, 197336), (136, 158159), (218, 98668), (436, 49334), (872, 24667), (1451, 14824), (1853, 11608), (2902, 7412), (3706, 5804)]