21941064

素因数分解:

$2^3\times 3^3\times {\mathrm{157}}^1\times {\mathrm{647}}^1$

素因数の和:819

約数の個数: 64

約数和(自身を含む): 61430400

約数和(自身を除く): 39489336

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 157, 216, 314, 471, 628, 647, 942, 1256, 1294, 1413, 1884, 1941, 2588, 2826, 3768, 3882, 4239, 5176, 5652, 5823, 7764, 8478, 11304, 11646, 15528, 16956, 17469, 23292, 33912, 34938, 46584, 69876, 101579, 139752, 203158, 304737, 406316, 609474, 812632, 914211, 1218948, 1828422, 2437896, 2742633, 3656844, 5485266, 7313688, 10970532, 21941064]

約数ペア:

[(1, 21941064), (2, 10970532), (3, 7313688), (4, 5485266), (6, 3656844), (8, 2742633), (9, 2437896), (12, 1828422), (18, 1218948), (24, 914211), (27, 812632), (36, 609474), (54, 406316), (72, 304737), (108, 203158), (157, 139752), (216, 101579), (314, 69876), (471, 46584), (628, 34938), (647, 33912), (942, 23292), (1256, 17469), (1294, 16956), (1413, 15528), (1884, 11646), (1941, 11304), (2588, 8478), (2826, 7764), (3768, 5823), (3882, 5652), (4239, 5176)]