21714758

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{389}}^1$

素因数の和:536

約数の個数: 32

約数和(自身を含む): 37346400

約数和(自身を除く): 15631642

約数列:

[1, 2, 13, 19, 26, 38, 113, 226, 247, 389, 494, 778, 1469, 2147, 2938, 4294, 5057, 7391, 10114, 14782, 27911, 43957, 55822, 87914, 96083, 192166, 571441, 835183, 1142882, 1670366, 10857379, 21714758]

約数ペア:

[(1, 21714758), (2, 10857379), (13, 1670366), (19, 1142882), (26, 835183), (38, 571441), (113, 192166), (226, 96083), (247, 87914), (389, 55822), (494, 43957), (778, 27911), (1469, 14782), (2147, 10114), (2938, 7391), (4294, 5057)]