21309144

素因数分解:

$2^3\times 3^1\times {\mathrm{79}}^1\times {\mathrm{11239}}^1$

素因数の和:11327

約数の個数: 32

約数和(自身を含む): 53952000

約数和(自身を除く): 32642856

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 79, 158, 237, 316, 474, 632, 948, 1896, 11239, 22478, 33717, 44956, 67434, 89912, 134868, 269736, 887881, 1775762, 2663643, 3551524, 5327286, 7103048, 10654572, 21309144]

約数ペア:

[(1, 21309144), (2, 10654572), (3, 7103048), (4, 5327286), (6, 3551524), (8, 2663643), (12, 1775762), (24, 887881), (79, 269736), (158, 134868), (237, 89912), (316, 67434), (474, 44956), (632, 33717), (948, 22478), (1896, 11239)]