21403626

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{67307}}^1$

素因数の和:67365

約数の個数: 16

約数和(自身を含む): 43615584

約数和(自身を除く): 22211958

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 67307, 134614, 201921, 403842, 3567271, 7134542, 10701813, 21403626]

約数ペア:

[(1, 21403626), (2, 10701813), (3, 7134542), (6, 3567271), (53, 403842), (106, 201921), (159, 134614), (318, 67307)]