21386694

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{337}}^1\times {\mathrm{1511}}^1$

素因数の和:1860

約数の個数: 32

約数和(自身を含む): 49061376

約数和(自身を除く): 27674682

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 337, 674, 1011, 1511, 2022, 2359, 3022, 4533, 4718, 7077, 9066, 10577, 14154, 21154, 31731, 63462, 509207, 1018414, 1527621, 3055242, 3564449, 7128898, 10693347, 21386694]

約数ペア:

[(1, 21386694), (2, 10693347), (3, 7128898), (6, 3564449), (7, 3055242), (14, 1527621), (21, 1018414), (42, 509207), (337, 63462), (674, 31731), (1011, 21154), (1511, 14154), (2022, 10577), (2359, 9066), (3022, 7077), (4533, 4718)]