21333416

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{205129}}^1$

素因数の和:205148

約数の個数: 16

約数和(自身を含む): 43077300

約数和(自身を除く): 21743884

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 205129, 410258, 820516, 1641032, 2666677, 5333354, 10666708, 21333416]

約数ペア:

[(1, 21333416), (2, 10666708), (4, 5333354), (8, 2666677), (13, 1641032), (26, 820516), (52, 410258), (104, 205129)]