21197604

素因数分解:

$2^2\times 3^1\times {\mathrm{97}}^1\times {\mathrm{18211}}^1$

素因数の和:18315

約数の個数: 24

約数和(自身を含む): 49973728

約数和(自身を除く): 28776124

約数列:

[1, 2, 3, 4, 6, 12, 97, 194, 291, 388, 582, 1164, 18211, 36422, 54633, 72844, 109266, 218532, 1766467, 3532934, 5299401, 7065868, 10598802, 21197604]

約数ペア:

[(1, 21197604), (2, 10598802), (3, 7065868), (4, 5299401), (6, 3532934), (12, 1766467), (97, 218532), (194, 109266), (291, 72844), (388, 54633), (582, 36422), (1164, 18211)]