21454836

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{1657}}^1$

素因数の和:1760

約数の個数: 48

約数和(自身を含む): 54594624

約数和(自身を除く): 33139788

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 83, 156, 166, 249, 332, 498, 996, 1079, 1657, 2158, 3237, 3314, 4316, 4971, 6474, 6628, 9942, 12948, 19884, 21541, 43082, 64623, 86164, 129246, 137531, 258492, 275062, 412593, 550124, 825186, 1650372, 1787903, 3575806, 5363709, 7151612, 10727418, 21454836]

約数ペア:

[(1, 21454836), (2, 10727418), (3, 7151612), (4, 5363709), (6, 3575806), (12, 1787903), (13, 1650372), (26, 825186), (39, 550124), (52, 412593), (78, 275062), (83, 258492), (156, 137531), (166, 129246), (249, 86164), (332, 64623), (498, 43082), (996, 21541), (1079, 19884), (1657, 12948), (2158, 9942), (3237, 6628), (3314, 6474), (4316, 4971)]