21000649670

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2097967}}^1$

素因数の和:2098005

約数の個数: 64

約数和(自身を含む): 50754041856

約数和(自身を除く): 29753392186

約数列:

[1, 2, 5, 7, 10, 11, 13, 14, 22, 26, 35, 55, 65, 70, 77, 91, 110, 130, 143, 154, 182, 286, 385, 455, 715, 770, 910, 1001, 1430, 2002, 5005, 10010, 2097967, 4195934, 10489835, 14685769, 20979670, 23077637, 27273571, 29371538, 46155274, 54547142, 73428845, 115388185, 136367855, 146857690, 161543459, 190914997, 230776370, 272735710, 300009281, 323086918, 381829994, 600018562, 807717295, 954574985, 1500046405, 1615434590, 1909149970, 2100064967, 3000092810, 4200129934, 10500324835, 21000649670]

約数ペア:

[(1, 21000649670), (2, 10500324835), (5, 4200129934), (7, 3000092810), (10, 2100064967), (11, 1909149970), (13, 1615434590), (14, 1500046405), (22, 954574985), (26, 807717295), (35, 600018562), (55, 381829994), (65, 323086918), (70, 300009281), (77, 272735710), (91, 230776370), (110, 190914997), (130, 161543459), (143, 146857690), (154, 136367855), (182, 115388185), (286, 73428845), (385, 54547142), (455, 46155274), (715, 29371538), (770, 27273571), (910, 23077637), (1001, 20979670), (1430, 14685769), (2002, 10489835), (5005, 4195934), (10010, 2097967)]