21040818

素因数分解:

$2^1\times 3^1\times {\mathrm{823}}^1\times {\mathrm{4261}}^1$

素因数の和:5089

約数の個数: 16

約数和(自身を含む): 42142656

約数和(自身を除く): 21101838

約数列:

[1, 2, 3, 6, 823, 1646, 2469, 4261, 4938, 8522, 12783, 25566, 3506803, 7013606, 10520409, 21040818]

約数ペア:

[(1, 21040818), (2, 10520409), (3, 7013606), (6, 3506803), (823, 25566), (1646, 12783), (2469, 8522), (4261, 4938)]