21772410

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{3881}}^1$

素因数の和:3919

約数の個数: 64

約数和(自身を含む): 60372864

約数和(自身を除く): 38600454

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 17, 22, 30, 33, 34, 51, 55, 66, 85, 102, 110, 165, 170, 187, 255, 330, 374, 510, 561, 935, 1122, 1870, 2805, 3881, 5610, 7762, 11643, 19405, 23286, 38810, 42691, 58215, 65977, 85382, 116430, 128073, 131954, 197931, 213455, 256146, 329885, 395862, 426910, 640365, 659770, 725747, 989655, 1280730, 1451494, 1979310, 2177241, 3628735, 4354482, 7257470, 10886205, 21772410]

約数ペア:

[(1, 21772410), (2, 10886205), (3, 7257470), (5, 4354482), (6, 3628735), (10, 2177241), (11, 1979310), (15, 1451494), (17, 1280730), (22, 989655), (30, 725747), (33, 659770), (34, 640365), (51, 426910), (55, 395862), (66, 329885), (85, 256146), (102, 213455), (110, 197931), (165, 131954), (170, 128073), (187, 116430), (255, 85382), (330, 65977), (374, 58215), (510, 42691), (561, 38810), (935, 23286), (1122, 19405), (1870, 11643), (2805, 7762), (3881, 5610)]