21687282

素因数分解:

$2^1\times 3^2\times {\mathrm{53}}^1\times {\mathrm{127}}^1\times {\mathrm{179}}^1$

素因数の和:367

約数の個数: 48

約数和(自身を含む): 48522240

約数和(自身を除く): 26834958

約数列:

[1, 2, 3, 6, 9, 18, 53, 106, 127, 159, 179, 254, 318, 358, 381, 477, 537, 762, 954, 1074, 1143, 1611, 2286, 3222, 6731, 9487, 13462, 18974, 20193, 22733, 28461, 40386, 45466, 56922, 60579, 68199, 85383, 121158, 136398, 170766, 204597, 409194, 1204849, 2409698, 3614547, 7229094, 10843641, 21687282]

約数ペア:

[(1, 21687282), (2, 10843641), (3, 7229094), (6, 3614547), (9, 2409698), (18, 1204849), (53, 409194), (106, 204597), (127, 170766), (159, 136398), (179, 121158), (254, 85383), (318, 68199), (358, 60579), (381, 56922), (477, 45466), (537, 40386), (762, 28461), (954, 22733), (1074, 20193), (1143, 18974), (1611, 13462), (2286, 9487), (3222, 6731)]