21472700

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^2\times {\mathrm{743}}^1$

素因数の和:791

約数の個数: 54

約数和(自身を含む): 49564536

約数和(自身を除く): 28091836

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 289, 340, 425, 578, 743, 850, 1156, 1445, 1486, 1700, 2890, 2972, 3715, 5780, 7225, 7430, 12631, 14450, 14860, 18575, 25262, 28900, 37150, 50524, 63155, 74300, 126310, 214727, 252620, 315775, 429454, 631550, 858908, 1073635, 1263100, 2147270, 4294540, 5368175, 10736350, 21472700]

約数ペア:

[(1, 21472700), (2, 10736350), (4, 5368175), (5, 4294540), (10, 2147270), (17, 1263100), (20, 1073635), (25, 858908), (34, 631550), (50, 429454), (68, 315775), (85, 252620), (100, 214727), (170, 126310), (289, 74300), (340, 63155), (425, 50524), (578, 37150), (743, 28900), (850, 25262), (1156, 18575), (1445, 14860), (1486, 14450), (1700, 12631), (2890, 7430), (2972, 7225), (3715, 5780)]