21537870

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{31}}^1\times {\mathrm{23159}}^1$

素因数の和:23200

約数の個数: 32

約数和(自身を含む): 53360640

約数和(自身を除く): 31822770

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 31, 62, 93, 155, 186, 310, 465, 930, 23159, 46318, 69477, 115795, 138954, 231590, 347385, 694770, 717929, 1435858, 2153787, 3589645, 4307574, 7179290, 10768935, 21537870]

約数ペア:

[(1, 21537870), (2, 10768935), (3, 7179290), (5, 4307574), (6, 3589645), (10, 2153787), (15, 1435858), (30, 717929), (31, 694770), (62, 347385), (93, 231590), (155, 138954), (186, 115795), (310, 69477), (465, 46318), (930, 23159)]