21013872

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{39799}}^1$

素因数の和:39821

約数の個数: 40

約数和(自身を含む): 59222400

約数和(自身を除く): 38208528

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 176, 264, 528, 39799, 79598, 119397, 159196, 238794, 318392, 437789, 477588, 636784, 875578, 955176, 1313367, 1751156, 1910352, 2626734, 3502312, 5253468, 7004624, 10506936, 21013872]

約数ペア:

[(1, 21013872), (2, 10506936), (3, 7004624), (4, 5253468), (6, 3502312), (8, 2626734), (11, 1910352), (12, 1751156), (16, 1313367), (22, 955176), (24, 875578), (33, 636784), (44, 477588), (48, 437789), (66, 318392), (88, 238794), (132, 159196), (176, 119397), (264, 79598), (528, 39799)]