21138318

素因数分解:

$2^1\times 3^2\times {\mathrm{73}}^1\times {\mathrm{16087}}^1$

素因数の和:16168

約数の個数: 24

約数和(自身を含む): 46429968

約数和(自身を除く): 25291650

約数列:

[1, 2, 3, 6, 9, 18, 73, 146, 219, 438, 657, 1314, 16087, 32174, 48261, 96522, 144783, 289566, 1174351, 2348702, 3523053, 7046106, 10569159, 21138318]

約数ペア:

[(1, 21138318), (2, 10569159), (3, 7046106), (6, 3523053), (9, 2348702), (18, 1174351), (73, 289566), (146, 144783), (219, 96522), (438, 48261), (657, 32174), (1314, 16087)]