21673148

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{40739}}^1$

素因数の和:40769

約数の個数: 24

約数和(自身を含む): 45628800

約数和(自身を除く): 23955652

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 40739, 81478, 162956, 285173, 570346, 774041, 1140692, 1548082, 3096164, 5418287, 10836574, 21673148]

約数ペア:

[(1, 21673148), (2, 10836574), (4, 5418287), (7, 3096164), (14, 1548082), (19, 1140692), (28, 774041), (38, 570346), (76, 285173), (133, 162956), (266, 81478), (532, 40739)]