21439300

素因数分解:

$2^2\times 5^2\times {\mathrm{269}}^1\times {\mathrm{797}}^1$

素因数の和:1080

約数の個数: 36

約数和(自身を含む): 46754820

約数和(自身を除く): 25315520

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 269, 538, 797, 1076, 1345, 1594, 2690, 3188, 3985, 5380, 6725, 7970, 13450, 15940, 19925, 26900, 39850, 79700, 214393, 428786, 857572, 1071965, 2143930, 4287860, 5359825, 10719650, 21439300]

約数ペア:

[(1, 21439300), (2, 10719650), (4, 5359825), (5, 4287860), (10, 2143930), (20, 1071965), (25, 857572), (50, 428786), (100, 214393), (269, 79700), (538, 39850), (797, 26900), (1076, 19925), (1345, 15940), (1594, 13450), (2690, 7970), (3188, 6725), (3985, 5380)]