21128544

素因数分解:

$2^5\times 3^2\times {\mathrm{73363}}^1$

素因数の和:73379

約数の個数: 36

約数和(自身を含む): 60085116

約数和(自身を除く): 38956572

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 73363, 146726, 220089, 293452, 440178, 586904, 660267, 880356, 1173808, 1320534, 1760712, 2347616, 2641068, 3521424, 5282136, 7042848, 10564272, 21128544]

約数ペア:

[(1, 21128544), (2, 10564272), (3, 7042848), (4, 5282136), (6, 3521424), (8, 2641068), (9, 2347616), (12, 1760712), (16, 1320534), (18, 1173808), (24, 880356), (32, 660267), (36, 586904), (48, 440178), (72, 293452), (96, 220089), (144, 146726), (288, 73363)]