21036744

素因数分解:

$2^3\times 3^2\times {\mathrm{157}}^1\times {\mathrm{1861}}^1$

素因数の和:2030

約数の個数: 48

約数和(自身を含む): 57368220

約数和(自身を除く): 36331476

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 157, 314, 471, 628, 942, 1256, 1413, 1861, 1884, 2826, 3722, 3768, 5583, 5652, 7444, 11166, 11304, 14888, 16749, 22332, 33498, 44664, 66996, 133992, 292177, 584354, 876531, 1168708, 1753062, 2337416, 2629593, 3506124, 5259186, 7012248, 10518372, 21036744]

約数ペア:

[(1, 21036744), (2, 10518372), (3, 7012248), (4, 5259186), (6, 3506124), (8, 2629593), (9, 2337416), (12, 1753062), (18, 1168708), (24, 876531), (36, 584354), (72, 292177), (157, 133992), (314, 66996), (471, 44664), (628, 33498), (942, 22332), (1256, 16749), (1413, 14888), (1861, 11304), (1884, 11166), (2826, 7444), (3722, 5652), (3768, 5583)]