21749886

素因数分解:

$2^1\times 3^2\times {\mathrm{139}}^1\times {\mathrm{8693}}^1$

素因数の和:8840

約数の個数: 24

約数和(自身を含む): 47469240

約数和(自身を除く): 25719354

約数列:

[1, 2, 3, 6, 9, 18, 139, 278, 417, 834, 1251, 2502, 8693, 17386, 26079, 52158, 78237, 156474, 1208327, 2416654, 3624981, 7249962, 10874943, 21749886]

約数ペア:

[(1, 21749886), (2, 10874943), (3, 7249962), (6, 3624981), (9, 2416654), (18, 1208327), (139, 156474), (278, 78237), (417, 52158), (834, 26079), (1251, 17386), (2502, 8693)]