21737135

素因数分解:

$5^1\times 7^2\times {\mathrm{17}}^2\times {\mathrm{307}}^1$

素因数の和:360

約数の個数: 36

約数和(自身を含む): 32338152

約数和(自身を除く): 10601017

約数列:

[1, 5, 7, 17, 35, 49, 85, 119, 245, 289, 307, 595, 833, 1445, 1535, 2023, 2149, 4165, 5219, 10115, 10745, 14161, 15043, 26095, 36533, 70805, 75215, 88723, 182665, 255731, 443615, 621061, 1278655, 3105305, 4347427, 21737135]

約数ペア:

[(1, 21737135), (5, 4347427), (7, 3105305), (17, 1278655), (35, 621061), (49, 443615), (85, 255731), (119, 182665), (245, 88723), (289, 75215), (307, 70805), (595, 36533), (833, 26095), (1445, 15043), (1535, 14161), (2023, 10745), (2149, 10115), (4165, 5219)]