21208258164

素因数分解:

$2^2\times 3^1\times {\mathrm{193}}^1\times {\mathrm{1229}}^1\times {\mathrm{7451}}^1$

素因数の和:8880

約数の個数: 48

約数和(自身を含む): 49789494720

約数和(自身を除く): 28581236556

約数列:

[1, 2, 3, 4, 6, 12, 193, 386, 579, 772, 1158, 1229, 2316, 2458, 3687, 4916, 7374, 7451, 14748, 14902, 22353, 29804, 44706, 89412, 237197, 474394, 711591, 948788, 1423182, 1438043, 2846364, 2876086, 4314129, 5752172, 8628258, 9157279, 17256516, 18314558, 27471837, 36629116, 54943674, 109887348, 1767354847, 3534709694, 5302064541, 7069419388, 10604129082, 21208258164]

約数ペア:

[(1, 21208258164), (2, 10604129082), (3, 7069419388), (4, 5302064541), (6, 3534709694), (12, 1767354847), (193, 109887348), (386, 54943674), (579, 36629116), (772, 27471837), (1158, 18314558), (1229, 17256516), (2316, 9157279), (2458, 8628258), (3687, 5752172), (4916, 4314129), (7374, 2876086), (7451, 2846364), (14748, 1438043), (14902, 1423182), (22353, 948788), (29804, 711591), (44706, 474394), (89412, 237197)]