21237664

素因数分解:

$2^5\times 7^1\times {\mathrm{94811}}^1$

素因数の和:94828

約数の個数: 24

約数和(自身を含む): 47785248

約数和(自身を除く): 26547584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 94811, 189622, 379244, 663677, 758488, 1327354, 1516976, 2654708, 3033952, 5309416, 10618832, 21237664]

約数ペア:

[(1, 21237664), (2, 10618832), (4, 5309416), (7, 3033952), (8, 2654708), (14, 1516976), (16, 1327354), (28, 758488), (32, 663677), (56, 379244), (112, 189622), (224, 94811)]