21901593

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{1979}}^1$

素因数の和:2037

約数の個数: 32

約数和(自身を含む): 36495360

約数和(自身を除く): 14593767

約数列:

[1, 3, 7, 17, 21, 31, 51, 93, 119, 217, 357, 527, 651, 1581, 1979, 3689, 5937, 11067, 13853, 33643, 41559, 61349, 100929, 184047, 235501, 429443, 706503, 1042933, 1288329, 3128799, 7300531, 21901593]

約数ペア:

[(1, 21901593), (3, 7300531), (7, 3128799), (17, 1288329), (21, 1042933), (31, 706503), (51, 429443), (93, 235501), (119, 184047), (217, 100929), (357, 61349), (527, 41559), (651, 33643), (1581, 13853), (1979, 11067), (3689, 5937)]