21308016

素因数分解:

$2^4\times 3^1\times {\mathrm{443917}}^1$

素因数の和:443928

約数の個数: 20

約数和(自身を含む): 55045832

約数和(自身を除く): 33737816

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 443917, 887834, 1331751, 1775668, 2663502, 3551336, 5327004, 7102672, 10654008, 21308016]

約数ペア:

[(1, 21308016), (2, 10654008), (3, 7102672), (4, 5327004), (6, 3551336), (8, 2663502), (12, 1775668), (16, 1331751), (24, 887834), (48, 443917)]