21875260

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{5849}}^1$

素因数の和:5886

約数の個数: 48

約数和(自身を含む): 53071200

約数和(自身を除く): 31195940

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 5849, 11698, 23396, 29245, 58490, 64339, 99433, 116980, 128678, 198866, 257356, 321695, 397732, 497165, 643390, 994330, 1093763, 1286780, 1988660, 2187526, 4375052, 5468815, 10937630, 21875260]

約数ペア:

[(1, 21875260), (2, 10937630), (4, 5468815), (5, 4375052), (10, 2187526), (11, 1988660), (17, 1286780), (20, 1093763), (22, 994330), (34, 643390), (44, 497165), (55, 397732), (68, 321695), (85, 257356), (110, 198866), (170, 128678), (187, 116980), (220, 99433), (340, 64339), (374, 58490), (748, 29245), (935, 23396), (1870, 11698), (3740, 5849)]