21517012

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{3733}}^1$

素因数の和:3879

約数の個数: 24

約数和(自身を含む): 41402592

約数和(自身を除く): 19885580

約数列:

[1, 2, 4, 11, 22, 44, 131, 262, 524, 1441, 2882, 3733, 5764, 7466, 14932, 41063, 82126, 164252, 489023, 978046, 1956092, 5379253, 10758506, 21517012]

約数ペア:

[(1, 21517012), (2, 10758506), (4, 5379253), (11, 1956092), (22, 978046), (44, 489023), (131, 164252), (262, 82126), (524, 41063), (1441, 14932), (2882, 7466), (3733, 5764)]