21547323

素因数分解:

$3^3\times 7^1\times {\mathrm{173}}^1\times {\mathrm{659}}^1$

素因数の和:848

約数の個数: 32

約数和(自身を含む): 36748800

約数和(自身を除く): 15201477

約数列:

[1, 3, 7, 9, 21, 27, 63, 173, 189, 519, 659, 1211, 1557, 1977, 3633, 4613, 4671, 5931, 10899, 13839, 17793, 32697, 41517, 114007, 124551, 342021, 798049, 1026063, 2394147, 3078189, 7182441, 21547323]

約数ペア:

[(1, 21547323), (3, 7182441), (7, 3078189), (9, 2394147), (21, 1026063), (27, 798049), (63, 342021), (173, 124551), (189, 114007), (519, 41517), (659, 32697), (1211, 17793), (1557, 13839), (1977, 10899), (3633, 5931), (4613, 4671)]