21540816

素因数分解:

$2^4\times 3^4\times {\mathrm{11}}^1\times {\mathrm{1511}}^1$

素因数の和:1542

約数の個数: 100

約数和(自身を含む): 68058144

約数和(自身を除く): 46517328

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 33, 36, 44, 48, 54, 66, 72, 81, 88, 99, 108, 132, 144, 162, 176, 198, 216, 264, 297, 324, 396, 432, 528, 594, 648, 792, 891, 1188, 1296, 1511, 1584, 1782, 2376, 3022, 3564, 4533, 4752, 6044, 7128, 9066, 12088, 13599, 14256, 16621, 18132, 24176, 27198, 33242, 36264, 40797, 49863, 54396, 66484, 72528, 81594, 99726, 108792, 122391, 132968, 149589, 163188, 199452, 217584, 244782, 265936, 299178, 326376, 398904, 448767, 489564, 598356, 652752, 797808, 897534, 979128, 1196712, 1346301, 1795068, 1958256, 2393424, 2692602, 3590136, 5385204, 7180272, 10770408, 21540816]

約数ペア:

[(1, 21540816), (2, 10770408), (3, 7180272), (4, 5385204), (6, 3590136), (8, 2692602), (9, 2393424), (11, 1958256), (12, 1795068), (16, 1346301), (18, 1196712), (22, 979128), (24, 897534), (27, 797808), (33, 652752), (36, 598356), (44, 489564), (48, 448767), (54, 398904), (66, 326376), (72, 299178), (81, 265936), (88, 244782), (99, 217584), (108, 199452), (132, 163188), (144, 149589), (162, 132968), (176, 122391), (198, 108792), (216, 99726), (264, 81594), (297, 72528), (324, 66484), (396, 54396), (432, 49863), (528, 40797), (594, 36264), (648, 33242), (792, 27198), (891, 24176), (1188, 18132), (1296, 16621), (1511, 14256), (1584, 13599), (1782, 12088), (2376, 9066), (3022, 7128), (3564, 6044), (4533, 4752)]