21368270

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{27751}}^1$

素因数の和:27776

約数の個数: 32

約数和(自身を含む): 47955456

約数和(自身を除く): 26587186

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 55, 70, 77, 110, 154, 385, 770, 27751, 55502, 138755, 194257, 277510, 305261, 388514, 610522, 971285, 1526305, 1942570, 2136827, 3052610, 4273654, 10684135, 21368270]

約数ペア:

[(1, 21368270), (2, 10684135), (5, 4273654), (7, 3052610), (10, 2136827), (11, 1942570), (14, 1526305), (22, 971285), (35, 610522), (55, 388514), (70, 305261), (77, 277510), (110, 194257), (154, 138755), (385, 55502), (770, 27751)]