21912070

素因数分解:

$2^1\times 5^1\times {\mathrm{167}}^1\times {\mathrm{13121}}^1$

素因数の和:13295

約数の個数: 16

約数和(自身を含む): 39680928

約数和(自身を除く): 17768858

約数列:

[1, 2, 5, 10, 167, 334, 835, 1670, 13121, 26242, 65605, 131210, 2191207, 4382414, 10956035, 21912070]

約数ペア:

[(1, 21912070), (2, 10956035), (5, 4382414), (10, 2191207), (167, 131210), (334, 65605), (835, 26242), (1670, 13121)]