21643278

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{3167}}^1$

素因数の和:3256

約数の個数: 32

約数和(自身を含む): 46531584

約数和(自身を除く): 24888306

約数列:

[1, 2, 3, 6, 17, 34, 51, 67, 102, 134, 201, 402, 1139, 2278, 3167, 3417, 6334, 6834, 9501, 19002, 53839, 107678, 161517, 212189, 323034, 424378, 636567, 1273134, 3607213, 7214426, 10821639, 21643278]

約数ペア:

[(1, 21643278), (2, 10821639), (3, 7214426), (6, 3607213), (17, 1273134), (34, 636567), (51, 424378), (67, 323034), (102, 212189), (134, 161517), (201, 107678), (402, 53839), (1139, 19002), (2278, 9501), (3167, 6834), (3417, 6334)]