21203936

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{50971}}^1$

素因数の和:50994

約数の個数: 24

約数和(自身を含む): 44957304

約数和(自身を除く): 23753368

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 208, 416, 50971, 101942, 203884, 407768, 662623, 815536, 1325246, 1631072, 2650492, 5300984, 10601968, 21203936]

約数ペア:

[(1, 21203936), (2, 10601968), (4, 5300984), (8, 2650492), (13, 1631072), (16, 1325246), (26, 815536), (32, 662623), (52, 407768), (104, 203884), (208, 101942), (416, 50971)]