21548944

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{107}}^1\times {\mathrm{307}}^1$

素因数の和:463

約数の個数: 40

約数和(自身を含む): 43309728

約数和(自身を除く): 21760784

約数列:

[1, 2, 4, 8, 16, 41, 82, 107, 164, 214, 307, 328, 428, 614, 656, 856, 1228, 1712, 2456, 4387, 4912, 8774, 12587, 17548, 25174, 32849, 35096, 50348, 65698, 70192, 100696, 131396, 201392, 262792, 525584, 1346809, 2693618, 5387236, 10774472, 21548944]

約数ペア:

[(1, 21548944), (2, 10774472), (4, 5387236), (8, 2693618), (16, 1346809), (41, 525584), (82, 262792), (107, 201392), (164, 131396), (214, 100696), (307, 70192), (328, 65698), (428, 50348), (614, 35096), (656, 32849), (856, 25174), (1228, 17548), (1712, 12587), (2456, 8774), (4387, 4912)]