2021119970

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{276487}}^1$

素因数の和:276554

約数の個数: 32

約数和(自身を含む): 3941612928

約数和(自身を除く): 1920492958

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 215, 430, 731, 1462, 3655, 7310, 276487, 552974, 1382435, 2764870, 4700279, 9400558, 11888941, 23501395, 23777882, 47002790, 59444705, 118889410, 202111997, 404223994, 1010559985, 2021119970]

約数ペア:

[(1, 2021119970), (2, 1010559985), (5, 404223994), (10, 202111997), (17, 118889410), (34, 59444705), (43, 47002790), (85, 23777882), (86, 23501395), (170, 11888941), (215, 9400558), (430, 4700279), (731, 2764870), (1462, 1382435), (3655, 552974), (7310, 276487)]