21737592

素因数分解:

$2^3\times 3^3\times {\mathrm{157}}^1\times {\mathrm{641}}^1$

素因数の和:813

約数の個数: 64

約数和(自身を含む): 60861600

約数和(自身を除く): 39124008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 157, 216, 314, 471, 628, 641, 942, 1256, 1282, 1413, 1884, 1923, 2564, 2826, 3768, 3846, 4239, 5128, 5652, 5769, 7692, 8478, 11304, 11538, 15384, 16956, 17307, 23076, 33912, 34614, 46152, 69228, 100637, 138456, 201274, 301911, 402548, 603822, 805096, 905733, 1207644, 1811466, 2415288, 2717199, 3622932, 5434398, 7245864, 10868796, 21737592]

約数ペア:

[(1, 21737592), (2, 10868796), (3, 7245864), (4, 5434398), (6, 3622932), (8, 2717199), (9, 2415288), (12, 1811466), (18, 1207644), (24, 905733), (27, 805096), (36, 603822), (54, 402548), (72, 301911), (108, 201274), (157, 138456), (216, 100637), (314, 69228), (471, 46152), (628, 34614), (641, 33912), (942, 23076), (1256, 17307), (1282, 16956), (1413, 15384), (1884, 11538), (1923, 11304), (2564, 8478), (2826, 7692), (3768, 5769), (3846, 5652), (4239, 5128)]