21003070

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{4657}}^1$

素因数の和:4716

約数の個数: 32

約数和(自身を含む): 42257376

約数和(自身を除く): 21254306

約数列:

[1, 2, 5, 10, 11, 22, 41, 55, 82, 110, 205, 410, 451, 902, 2255, 4510, 4657, 9314, 23285, 46570, 51227, 102454, 190937, 256135, 381874, 512270, 954685, 1909370, 2100307, 4200614, 10501535, 21003070]

約数ペア:

[(1, 21003070), (2, 10501535), (5, 4200614), (10, 2100307), (11, 1909370), (22, 954685), (41, 512270), (55, 381874), (82, 256135), (110, 190937), (205, 102454), (410, 51227), (451, 46570), (902, 23285), (2255, 9314), (4510, 4657)]