21268468

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{17783}}^1$

素因数の和:17823

約数の個数: 24

約数和(自身を含む): 41827968

約数和(自身を除く): 20559500

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 299, 598, 1196, 17783, 35566, 71132, 231179, 409009, 462358, 818018, 924716, 1636036, 5317117, 10634234, 21268468]

約数ペア:

[(1, 21268468), (2, 10634234), (4, 5317117), (13, 1636036), (23, 924716), (26, 818018), (46, 462358), (52, 409009), (92, 231179), (299, 71132), (598, 35566), (1196, 17783)]