21307224

素因数分解:

$2^3\times 3^1\times {\mathrm{487}}^1\times {\mathrm{1823}}^1$

素因数の和:2319

約数の個数: 32

約数和(自身を含む): 53406720

約数和(自身を除く): 32099496

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 487, 974, 1461, 1823, 1948, 2922, 3646, 3896, 5469, 5844, 7292, 10938, 11688, 14584, 21876, 43752, 887801, 1775602, 2663403, 3551204, 5326806, 7102408, 10653612, 21307224]

約数ペア:

[(1, 21307224), (2, 10653612), (3, 7102408), (4, 5326806), (6, 3551204), (8, 2663403), (12, 1775602), (24, 887801), (487, 43752), (974, 21876), (1461, 14584), (1823, 11688), (1948, 10938), (2922, 7292), (3646, 5844), (3896, 5469)]