21863718

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{63929}}^1$

素因数の和:63956

約数の個数: 24

約数和(自身を含む): 49865400

約数和(自身を除く): 28001682

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 114, 171, 342, 63929, 127858, 191787, 383574, 575361, 1150722, 1214651, 2429302, 3643953, 7287906, 10931859, 21863718]

約数ペア:

[(1, 21863718), (2, 10931859), (3, 7287906), (6, 3643953), (9, 2429302), (18, 1214651), (19, 1150722), (38, 575361), (57, 383574), (114, 191787), (171, 127858), (342, 63929)]