21543324

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{401}}^1$

素因数の和:467

約数の個数: 72

約数和(自身を含む): 56887824

約数和(自身を除く): 35344500

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 37, 44, 66, 74, 111, 121, 132, 148, 222, 242, 363, 401, 407, 444, 484, 726, 802, 814, 1203, 1221, 1452, 1604, 1628, 2406, 2442, 4411, 4477, 4812, 4884, 8822, 8954, 13233, 13431, 14837, 17644, 17908, 26466, 26862, 29674, 44511, 48521, 52932, 53724, 59348, 89022, 97042, 145563, 163207, 178044, 194084, 291126, 326414, 489621, 582252, 652828, 979242, 1795277, 1958484, 3590554, 5385831, 7181108, 10771662, 21543324]

約数ペア:

[(1, 21543324), (2, 10771662), (3, 7181108), (4, 5385831), (6, 3590554), (11, 1958484), (12, 1795277), (22, 979242), (33, 652828), (37, 582252), (44, 489621), (66, 326414), (74, 291126), (111, 194084), (121, 178044), (132, 163207), (148, 145563), (222, 97042), (242, 89022), (363, 59348), (401, 53724), (407, 52932), (444, 48521), (484, 44511), (726, 29674), (802, 26862), (814, 26466), (1203, 17908), (1221, 17644), (1452, 14837), (1604, 13431), (1628, 13233), (2406, 8954), (2442, 8822), (4411, 4884), (4477, 4812)]