21159196

素因数分解:

$2^2\times {\mathrm{73}}^1\times {\mathrm{233}}^1\times {\mathrm{311}}^1$

素因数の和:621

約数の個数: 24

約数和(自身を含む): 37818144

約数和(自身を除く): 16658948

約数列:

[1, 2, 4, 73, 146, 233, 292, 311, 466, 622, 932, 1244, 17009, 22703, 34018, 45406, 68036, 72463, 90812, 144926, 289852, 5289799, 10579598, 21159196]

約数ペア:

[(1, 21159196), (2, 10579598), (4, 5289799), (73, 289852), (146, 144926), (233, 90812), (292, 72463), (311, 68036), (466, 45406), (622, 34018), (932, 22703), (1244, 17009)]