21612978

素因数分解:

$2^1\times 3^2\times {\mathrm{79}}^1\times {\mathrm{15199}}^1$

素因数の和:15286

約数の個数: 24

約数和(自身を含む): 47424000

約数和(自身を除く): 25811022

約数列:

[1, 2, 3, 6, 9, 18, 79, 158, 237, 474, 711, 1422, 15199, 30398, 45597, 91194, 136791, 273582, 1200721, 2401442, 3602163, 7204326, 10806489, 21612978]

約数ペア:

[(1, 21612978), (2, 10806489), (3, 7204326), (6, 3602163), (9, 2401442), (18, 1200721), (79, 273582), (158, 136791), (237, 91194), (474, 45597), (711, 30398), (1422, 15199)]