21231738

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{683}}^1$

素因数の和:859

約数の個数: 48

約数和(自身を含む): 50577696

約数和(自身を除く): 29345958

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 33, 66, 99, 157, 198, 314, 471, 683, 942, 1366, 1413, 1727, 2049, 2826, 3454, 4098, 5181, 6147, 7513, 10362, 12294, 15026, 15543, 22539, 31086, 45078, 67617, 107231, 135234, 214462, 321693, 643386, 965079, 1179541, 1930158, 2359082, 3538623, 7077246, 10615869, 21231738]

約数ペア:

[(1, 21231738), (2, 10615869), (3, 7077246), (6, 3538623), (9, 2359082), (11, 1930158), (18, 1179541), (22, 965079), (33, 643386), (66, 321693), (99, 214462), (157, 135234), (198, 107231), (314, 67617), (471, 45078), (683, 31086), (942, 22539), (1366, 15543), (1413, 15026), (1727, 12294), (2049, 10362), (2826, 7513), (3454, 6147), (4098, 5181)]