21843952

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{105019}}^1$

素因数の和:105040

約数の個数: 20

約数和(自身を含む): 45578680

約数和(自身を除く): 23734728

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 105019, 210038, 420076, 840152, 1365247, 1680304, 2730494, 5460988, 10921976, 21843952]

約数ペア:

[(1, 21843952), (2, 10921976), (4, 5460988), (8, 2730494), (13, 1680304), (16, 1365247), (26, 840152), (52, 420076), (104, 210038), (208, 105019)]