21718482

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{271}}^1$

素因数の和:351

約数の個数: 48

約数和(自身を含む): 47256192

約数和(自身を除く): 25537710

約数列:

[1, 2, 3, 6, 19, 37, 38, 57, 74, 111, 114, 222, 271, 361, 542, 703, 722, 813, 1083, 1406, 1626, 2109, 2166, 4218, 5149, 10027, 10298, 13357, 15447, 20054, 26714, 30081, 30894, 40071, 60162, 80142, 97831, 190513, 195662, 293493, 381026, 571539, 586986, 1143078, 3619747, 7239494, 10859241, 21718482]

約数ペア:

[(1, 21718482), (2, 10859241), (3, 7239494), (6, 3619747), (19, 1143078), (37, 586986), (38, 571539), (57, 381026), (74, 293493), (111, 195662), (114, 190513), (222, 97831), (271, 80142), (361, 60162), (542, 40071), (703, 30894), (722, 30081), (813, 26714), (1083, 20054), (1406, 15447), (1626, 13357), (2109, 10298), (2166, 10027), (4218, 5149)]