21473600

素因数分解:

$2^6\times 5^2\times {\mathrm{13421}}^1$

素因数の和:13443

約数の個数: 42

約数和(自身を含む): 52842414

約数和(自身を除く): 31368814

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1600, 13421, 26842, 53684, 67105, 107368, 134210, 214736, 268420, 335525, 429472, 536840, 671050, 858944, 1073680, 1342100, 2147360, 2684200, 4294720, 5368400, 10736800, 21473600]

約数ペア:

[(1, 21473600), (2, 10736800), (4, 5368400), (5, 4294720), (8, 2684200), (10, 2147360), (16, 1342100), (20, 1073680), (25, 858944), (32, 671050), (40, 536840), (50, 429472), (64, 335525), (80, 268420), (100, 214736), (160, 134210), (200, 107368), (320, 67105), (400, 53684), (800, 26842), (1600, 13421)]