21671569305

素因数分解:

$3^3\times 5^1\times {\mathrm{523}}^1\times {\mathrm{306941}}^1$

素因数の和:307478

約数の個数: 32

約数和(自身を含む): 38601025920

約数和(自身を除く): 16929456615

約数列:

[1, 3, 5, 9, 15, 27, 45, 135, 523, 1569, 2615, 4707, 7845, 14121, 23535, 70605, 306941, 920823, 1534705, 2762469, 4604115, 8287407, 13812345, 41437035, 160530143, 481590429, 802650715, 1444771287, 2407952145, 4334313861, 7223856435, 21671569305]

約数ペア:

[(1, 21671569305), (3, 7223856435), (5, 4334313861), (9, 2407952145), (15, 1444771287), (27, 802650715), (45, 481590429), (135, 160530143), (523, 41437035), (1569, 13812345), (2615, 8287407), (4707, 4604115), (7845, 2762469), (14121, 1534705), (23535, 920823), (70605, 306941)]