21434000

素因数分解:

$2^4\times 5^3\times 7^1\times {\mathrm{1531}}^1$

素因数の和:1561

約数の個数: 80

約数和(自身を含む): 59270016

約数和(自身を除く): 37836016

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 25, 28, 35, 40, 50, 56, 70, 80, 100, 112, 125, 140, 175, 200, 250, 280, 350, 400, 500, 560, 700, 875, 1000, 1400, 1531, 1750, 2000, 2800, 3062, 3500, 6124, 7000, 7655, 10717, 12248, 14000, 15310, 21434, 24496, 30620, 38275, 42868, 53585, 61240, 76550, 85736, 107170, 122480, 153100, 171472, 191375, 214340, 267925, 306200, 382750, 428680, 535850, 612400, 765500, 857360, 1071700, 1339625, 1531000, 2143400, 2679250, 3062000, 4286800, 5358500, 10717000, 21434000]

約数ペア:

[(1, 21434000), (2, 10717000), (4, 5358500), (5, 4286800), (7, 3062000), (8, 2679250), (10, 2143400), (14, 1531000), (16, 1339625), (20, 1071700), (25, 857360), (28, 765500), (35, 612400), (40, 535850), (50, 428680), (56, 382750), (70, 306200), (80, 267925), (100, 214340), (112, 191375), (125, 171472), (140, 153100), (175, 122480), (200, 107170), (250, 85736), (280, 76550), (350, 61240), (400, 53585), (500, 42868), (560, 38275), (700, 30620), (875, 24496), (1000, 21434), (1400, 15310), (1531, 14000), (1750, 12248), (2000, 10717), (2800, 7655), (3062, 7000), (3500, 6124)]