21152248

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{203387}}^1$

素因数の和:203406

約数の個数: 16

約数和(自身を含む): 42711480

約数和(自身を除く): 21559232

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 203387, 406774, 813548, 1627096, 2644031, 5288062, 10576124, 21152248]

約数ペア:

[(1, 21152248), (2, 10576124), (4, 5288062), (8, 2644031), (13, 1627096), (26, 813548), (52, 406774), (104, 203387)]