21151944

素因数分解:

$2^3\times 3^2\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1571}}^1$

素因数の和:1611

約数の個数: 96

約数和(自身を含む): 66212640

約数和(自身を除く): 45060696

約数列:

[1, 2, 3, 4, 6, 8, 9, 11, 12, 17, 18, 22, 24, 33, 34, 36, 44, 51, 66, 68, 72, 88, 99, 102, 132, 136, 153, 187, 198, 204, 264, 306, 374, 396, 408, 561, 612, 748, 792, 1122, 1224, 1496, 1571, 1683, 2244, 3142, 3366, 4488, 4713, 6284, 6732, 9426, 12568, 13464, 14139, 17281, 18852, 26707, 28278, 34562, 37704, 51843, 53414, 56556, 69124, 80121, 103686, 106828, 113112, 138248, 155529, 160242, 207372, 213656, 240363, 293777, 311058, 320484, 414744, 480726, 587554, 622116, 640968, 881331, 961452, 1175108, 1244232, 1762662, 1922904, 2350216, 2643993, 3525324, 5287986, 7050648, 10575972, 21151944]

約数ペア:

[(1, 21151944), (2, 10575972), (3, 7050648), (4, 5287986), (6, 3525324), (8, 2643993), (9, 2350216), (11, 1922904), (12, 1762662), (17, 1244232), (18, 1175108), (22, 961452), (24, 881331), (33, 640968), (34, 622116), (36, 587554), (44, 480726), (51, 414744), (66, 320484), (68, 311058), (72, 293777), (88, 240363), (99, 213656), (102, 207372), (132, 160242), (136, 155529), (153, 138248), (187, 113112), (198, 106828), (204, 103686), (264, 80121), (306, 69124), (374, 56556), (396, 53414), (408, 51843), (561, 37704), (612, 34562), (748, 28278), (792, 26707), (1122, 18852), (1224, 17281), (1496, 14139), (1571, 13464), (1683, 12568), (2244, 9426), (3142, 6732), (3366, 6284), (4488, 4713)]