21121752

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{51769}}^1$

素因数の和:51795

約数の個数: 32

約数和(自身を含む): 55911600

約数和(自身を除く): 34789848

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 136, 204, 408, 51769, 103538, 155307, 207076, 310614, 414152, 621228, 880073, 1242456, 1760146, 2640219, 3520292, 5280438, 7040584, 10560876, 21121752]

約数ペア:

[(1, 21121752), (2, 10560876), (3, 7040584), (4, 5280438), (6, 3520292), (8, 2640219), (12, 1760146), (17, 1242456), (24, 880073), (34, 621228), (51, 414152), (68, 310614), (102, 207076), (136, 155307), (204, 103538), (408, 51769)]