21436437

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{463}}^1$

素因数の和:561

約数の個数: 32

約数和(自身を含む): 33140736

約数和(自身を除く): 11704299

約数列:

[1, 3, 11, 23, 33, 61, 69, 183, 253, 463, 671, 759, 1389, 1403, 2013, 4209, 5093, 10649, 15279, 15433, 28243, 31947, 46299, 84729, 117139, 310673, 351417, 649589, 932019, 1948767, 7145479, 21436437]

約数ペア:

[(1, 21436437), (3, 7145479), (11, 1948767), (23, 932019), (33, 649589), (61, 351417), (69, 310673), (183, 117139), (253, 84729), (463, 46299), (671, 31947), (759, 28243), (1389, 15433), (1403, 15279), (2013, 10649), (4209, 5093)]