21798964

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{151}}^1\times {\mathrm{193}}^1$

素因数の和:376

約数の個数: 48

約数和(自身を含む): 44585856

約数和(自身を除く): 22786892

約数列:

[1, 2, 4, 11, 17, 22, 34, 44, 68, 151, 187, 193, 302, 374, 386, 604, 748, 772, 1661, 2123, 2567, 3281, 3322, 4246, 5134, 6562, 6644, 8492, 10268, 13124, 28237, 29143, 36091, 56474, 58286, 72182, 112948, 116572, 144364, 320573, 495431, 641146, 990862, 1282292, 1981724, 5449741, 10899482, 21798964]

約数ペア:

[(1, 21798964), (2, 10899482), (4, 5449741), (11, 1981724), (17, 1282292), (22, 990862), (34, 641146), (44, 495431), (68, 320573), (151, 144364), (187, 116572), (193, 112948), (302, 72182), (374, 58286), (386, 56474), (604, 36091), (748, 29143), (772, 28237), (1661, 13124), (2123, 10268), (2567, 8492), (3281, 6644), (3322, 6562), (4246, 5134)]