21414680

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{76481}}^1$

素因数の和:76499

約数の個数: 32

約数和(自身を含む): 55067040

約数和(自身を除く): 33652360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 76481, 152962, 305924, 382405, 535367, 611848, 764810, 1070734, 1529620, 2141468, 2676835, 3059240, 4282936, 5353670, 10707340, 21414680]

約数ペア:

[(1, 21414680), (2, 10707340), (4, 5353670), (5, 4282936), (7, 3059240), (8, 2676835), (10, 2141468), (14, 1529620), (20, 1070734), (28, 764810), (35, 611848), (40, 535367), (56, 382405), (70, 305924), (140, 152962), (280, 76481)]