21265392

素因数分解:

$2^4\times 3^1\times {\mathrm{43}}^1\times {\mathrm{10303}}^1$

素因数の和:10357

約数の個数: 40

約数和(自身を含む): 56218624

約数和(自身を除く): 34953232

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 43, 48, 86, 129, 172, 258, 344, 516, 688, 1032, 2064, 10303, 20606, 30909, 41212, 61818, 82424, 123636, 164848, 247272, 443029, 494544, 886058, 1329087, 1772116, 2658174, 3544232, 5316348, 7088464, 10632696, 21265392]

約数ペア:

[(1, 21265392), (2, 10632696), (3, 7088464), (4, 5316348), (6, 3544232), (8, 2658174), (12, 1772116), (16, 1329087), (24, 886058), (43, 494544), (48, 443029), (86, 247272), (129, 164848), (172, 123636), (258, 82424), (344, 61818), (516, 41212), (688, 30909), (1032, 20606), (2064, 10303)]