21068300

素因数分解:

$2^2\times 5^2\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{179}}^1$

素因数の和:311

約数の個数: 72

約数和(自身を含む): 50621760

約数和(自身を除く): 29553460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 25, 44, 50, 55, 100, 107, 110, 179, 214, 220, 275, 358, 428, 535, 550, 716, 895, 1070, 1100, 1177, 1790, 1969, 2140, 2354, 2675, 3580, 3938, 4475, 4708, 5350, 5885, 7876, 8950, 9845, 10700, 11770, 17900, 19153, 19690, 23540, 29425, 38306, 39380, 49225, 58850, 76612, 95765, 98450, 117700, 191530, 196900, 210683, 383060, 421366, 478825, 842732, 957650, 1053415, 1915300, 2106830, 4213660, 5267075, 10534150, 21068300]

約数ペア:

[(1, 21068300), (2, 10534150), (4, 5267075), (5, 4213660), (10, 2106830), (11, 1915300), (20, 1053415), (22, 957650), (25, 842732), (44, 478825), (50, 421366), (55, 383060), (100, 210683), (107, 196900), (110, 191530), (179, 117700), (214, 98450), (220, 95765), (275, 76612), (358, 58850), (428, 49225), (535, 39380), (550, 38306), (716, 29425), (895, 23540), (1070, 19690), (1100, 19153), (1177, 17900), (1790, 11770), (1969, 10700), (2140, 9845), (2354, 8950), (2675, 7876), (3580, 5885), (3938, 5350), (4475, 4708)]