21167224

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{203531}}^1$

素因数の和:203550

約数の個数: 16

約数和(自身を含む): 42741720

約数和(自身を除く): 21574496

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 203531, 407062, 814124, 1628248, 2645903, 5291806, 10583612, 21167224]

約数ペア:

[(1, 21167224), (2, 10583612), (4, 5291806), (8, 2645903), (13, 1628248), (26, 814124), (52, 407062), (104, 203531)]