21000471504

素因数分解:

$2^4\times 3^1\times {\mathrm{2333}}^1\times {\mathrm{187531}}^1$

素因数の和:189875

約数の個数: 40

約数和(自身を含む): 54274761312

約数和(自身を除く): 33274289808

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 2333, 4666, 6999, 9332, 13998, 18664, 27996, 37328, 55992, 111984, 187531, 375062, 562593, 750124, 1125186, 1500248, 2250372, 3000496, 4500744, 9001488, 437509823, 875019646, 1312529469, 1750039292, 2625058938, 3500078584, 5250117876, 7000157168, 10500235752, 21000471504]

約数ペア:

[(1, 21000471504), (2, 10500235752), (3, 7000157168), (4, 5250117876), (6, 3500078584), (8, 2625058938), (12, 1750039292), (16, 1312529469), (24, 875019646), (48, 437509823), (2333, 9001488), (4666, 4500744), (6999, 3000496), (9332, 2250372), (13998, 1500248), (18664, 1125186), (27996, 750124), (37328, 562593), (55992, 375062), (111984, 187531)]