21096048

素因数分解:

$2^4\times 3^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{251}}^1$

素因数の和:382

約数の個数: 80

約数和(自身を含む): 58496256

約数和(自身を除く): 37400208

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 17, 24, 34, 48, 51, 68, 102, 103, 136, 204, 206, 251, 272, 309, 408, 412, 502, 618, 753, 816, 824, 1004, 1236, 1506, 1648, 1751, 2008, 2472, 3012, 3502, 4016, 4267, 4944, 5253, 6024, 7004, 8534, 10506, 12048, 12801, 14008, 17068, 21012, 25602, 25853, 28016, 34136, 42024, 51204, 51706, 68272, 77559, 84048, 102408, 103412, 155118, 204816, 206824, 310236, 413648, 439501, 620472, 879002, 1240944, 1318503, 1758004, 2637006, 3516008, 5274012, 7032016, 10548024, 21096048]

約数ペア:

[(1, 21096048), (2, 10548024), (3, 7032016), (4, 5274012), (6, 3516008), (8, 2637006), (12, 1758004), (16, 1318503), (17, 1240944), (24, 879002), (34, 620472), (48, 439501), (51, 413648), (68, 310236), (102, 206824), (103, 204816), (136, 155118), (204, 103412), (206, 102408), (251, 84048), (272, 77559), (309, 68272), (408, 51706), (412, 51204), (502, 42024), (618, 34136), (753, 28016), (816, 25853), (824, 25602), (1004, 21012), (1236, 17068), (1506, 14008), (1648, 12801), (1751, 12048), (2008, 10506), (2472, 8534), (3012, 7004), (3502, 6024), (4016, 5253), (4267, 4944)]