21453768

素因数分解:

$2^3\times 3^3\times 7^2\times {\mathrm{2027}}^1$

素因数の和:2056

約数の個数: 96

約数和(自身を含む): 69357600

約数和(自身を除く): 47903832

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 49, 54, 56, 63, 72, 84, 98, 108, 126, 147, 168, 189, 196, 216, 252, 294, 378, 392, 441, 504, 588, 756, 882, 1176, 1323, 1512, 1764, 2027, 2646, 3528, 4054, 5292, 6081, 8108, 10584, 12162, 14189, 16216, 18243, 24324, 28378, 36486, 42567, 48648, 54729, 56756, 72972, 85134, 99323, 109458, 113512, 127701, 145944, 170268, 198646, 218916, 255402, 297969, 340536, 383103, 397292, 437832, 510804, 595938, 766206, 794584, 893907, 1021608, 1191876, 1532412, 1787814, 2383752, 2681721, 3064824, 3575628, 5363442, 7151256, 10726884, 21453768]

約数ペア:

[(1, 21453768), (2, 10726884), (3, 7151256), (4, 5363442), (6, 3575628), (7, 3064824), (8, 2681721), (9, 2383752), (12, 1787814), (14, 1532412), (18, 1191876), (21, 1021608), (24, 893907), (27, 794584), (28, 766206), (36, 595938), (42, 510804), (49, 437832), (54, 397292), (56, 383103), (63, 340536), (72, 297969), (84, 255402), (98, 218916), (108, 198646), (126, 170268), (147, 145944), (168, 127701), (189, 113512), (196, 109458), (216, 99323), (252, 85134), (294, 72972), (378, 56756), (392, 54729), (441, 48648), (504, 42567), (588, 36486), (756, 28378), (882, 24324), (1176, 18243), (1323, 16216), (1512, 14189), (1764, 12162), (2027, 10584), (2646, 8108), (3528, 6081), (4054, 5292)]