21267504

素因数分解:

$2^4\times 3^2\times {\mathrm{113}}^1\times {\mathrm{1307}}^1$

素因数の和:1434

約数の個数: 60

約数和(自身を含む): 60092136

約数和(自身を除く): 38824632

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 113, 144, 226, 339, 452, 678, 904, 1017, 1307, 1356, 1808, 2034, 2614, 2712, 3921, 4068, 5228, 5424, 7842, 8136, 10456, 11763, 15684, 16272, 20912, 23526, 31368, 47052, 62736, 94104, 147691, 188208, 295382, 443073, 590764, 886146, 1181528, 1329219, 1772292, 2363056, 2658438, 3544584, 5316876, 7089168, 10633752, 21267504]

約数ペア:

[(1, 21267504), (2, 10633752), (3, 7089168), (4, 5316876), (6, 3544584), (8, 2658438), (9, 2363056), (12, 1772292), (16, 1329219), (18, 1181528), (24, 886146), (36, 590764), (48, 443073), (72, 295382), (113, 188208), (144, 147691), (226, 94104), (339, 62736), (452, 47052), (678, 31368), (904, 23526), (1017, 20912), (1307, 16272), (1356, 15684), (1808, 11763), (2034, 10456), (2614, 8136), (2712, 7842), (3921, 5424), (4068, 5228)]