21837830

素因数分解:

$2^1\times 5^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1087}}^1$

素因数の和:1149

約数の個数: 48

約数和(自身を含む): 46884096

約数和(自身を除く): 25046266

約数列:

[1, 2, 5, 7, 10, 14, 35, 41, 49, 70, 82, 98, 205, 245, 287, 410, 490, 574, 1087, 1435, 2009, 2174, 2870, 4018, 5435, 7609, 10045, 10870, 15218, 20090, 38045, 44567, 53263, 76090, 89134, 106526, 222835, 266315, 311969, 445670, 532630, 623938, 1559845, 2183783, 3119690, 4367566, 10918915, 21837830]

約数ペア:

[(1, 21837830), (2, 10918915), (5, 4367566), (7, 3119690), (10, 2183783), (14, 1559845), (35, 623938), (41, 532630), (49, 445670), (70, 311969), (82, 266315), (98, 222835), (205, 106526), (245, 89134), (287, 76090), (410, 53263), (490, 44567), (574, 38045), (1087, 20090), (1435, 15218), (2009, 10870), (2174, 10045), (2870, 7609), (4018, 5435)]