21160510

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1$

素因数の和:229

約数の個数: 64

約数和(自身を含む): 45650304

約数和(自身を除く): 24489794

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 70, 73, 82, 101, 146, 202, 205, 287, 365, 410, 505, 511, 574, 707, 730, 1010, 1022, 1414, 1435, 2555, 2870, 2993, 3535, 4141, 5110, 5986, 7070, 7373, 8282, 14746, 14965, 20705, 20951, 28987, 29930, 36865, 41410, 41902, 51611, 57974, 73730, 103222, 104755, 144935, 209510, 258055, 289870, 302293, 516110, 604586, 1511465, 2116051, 3022930, 4232102, 10580255, 21160510]

約数ペア:

[(1, 21160510), (2, 10580255), (5, 4232102), (7, 3022930), (10, 2116051), (14, 1511465), (35, 604586), (41, 516110), (70, 302293), (73, 289870), (82, 258055), (101, 209510), (146, 144935), (202, 104755), (205, 103222), (287, 73730), (365, 57974), (410, 51611), (505, 41902), (511, 41410), (574, 36865), (707, 29930), (730, 28987), (1010, 20951), (1022, 20705), (1414, 14965), (1435, 14746), (2555, 8282), (2870, 7373), (2993, 7070), (3535, 5986), (4141, 5110)]