2021075810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{212969}}^1$

素因数の和:213062

約数の個数: 32

約数和(自身を含む): 3971464560

約数和(自身を除く): 1950388750

約数列:

[1, 2, 5, 10, 13, 26, 65, 73, 130, 146, 365, 730, 949, 1898, 4745, 9490, 212969, 425938, 1064845, 2129690, 2768597, 5537194, 13842985, 15546737, 27685970, 31093474, 77733685, 155467370, 202107581, 404215162, 1010537905, 2021075810]

約数ペア:

[(1, 2021075810), (2, 1010537905), (5, 404215162), (10, 202107581), (13, 155467370), (26, 77733685), (65, 31093474), (73, 27685970), (130, 15546737), (146, 13842985), (365, 5537194), (730, 2768597), (949, 2129690), (1898, 1064845), (4745, 425938), (9490, 212969)]