21492968

素因数分解:

$2^3\times 7^2\times {\mathrm{54829}}^1$

素因数の和:54849

約数の個数: 24

約数和(自身を含む): 46879650

約数和(自身を除く): 25386682

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 54829, 109658, 219316, 383803, 438632, 767606, 1535212, 2686621, 3070424, 5373242, 10746484, 21492968]

約数ペア:

[(1, 21492968), (2, 10746484), (4, 5373242), (7, 3070424), (8, 2686621), (14, 1535212), (28, 767606), (49, 438632), (56, 383803), (98, 219316), (196, 109658), (392, 54829)]