21264708

素因数分解:

$2^2\times 3^1\times {\mathrm{157}}^1\times {\mathrm{11287}}^1$

素因数の和:11451

約数の個数: 24

約数和(自身を含む): 49938112

約数和(自身を除く): 28673404

約数列:

[1, 2, 3, 4, 6, 12, 157, 314, 471, 628, 942, 1884, 11287, 22574, 33861, 45148, 67722, 135444, 1772059, 3544118, 5316177, 7088236, 10632354, 21264708]

約数ペア:

[(1, 21264708), (2, 10632354), (3, 7088236), (4, 5316177), (6, 3544118), (12, 1772059), (157, 135444), (314, 67722), (471, 45148), (628, 33861), (942, 22574), (1884, 11287)]