21052642

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{8017}}^1$

素因数の和:8133

約数の個数: 16

約数和(自身を含む): 34349112

約数和(自身を除く): 13296470

約数列:

[1, 2, 13, 26, 101, 202, 1313, 2626, 8017, 16034, 104221, 208442, 809717, 1619434, 10526321, 21052642]

約数ペア:

[(1, 21052642), (2, 10526321), (13, 1619434), (26, 809717), (101, 208442), (202, 104221), (1313, 16034), (2626, 8017)]