821210210

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{367}}^1\times {\mathrm{11777}}^1$

素因数の和:12170

約数の個数: 32

約数和(自身を含む): 1560349440

約数和(自身を除く): 739139230

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 367, 734, 1835, 3670, 6973, 11777, 13946, 23554, 34865, 58885, 69730, 117770, 223763, 447526, 1118815, 2237630, 4322159, 8644318, 21610795, 43221590, 82121021, 164242042, 410605105, 821210210]

約数ペア:

[(1, 821210210), (2, 410605105), (5, 164242042), (10, 82121021), (19, 43221590), (38, 21610795), (95, 8644318), (190, 4322159), (367, 2237630), (734, 1118815), (1835, 447526), (3670, 223763), (6973, 117770), (11777, 69730), (13946, 58885), (23554, 34865)]