21951504

素因数分解:

$2^4\times 3^2\times {\mathrm{152441}}^1$

素因数の和:152455

約数の個数: 30

約数和(自身を含む): 61434126

約数和(自身を除く): 39482622

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 152441, 304882, 457323, 609764, 914646, 1219528, 1371969, 1829292, 2439056, 2743938, 3658584, 5487876, 7317168, 10975752, 21951504]

約数ペア:

[(1, 21951504), (2, 10975752), (3, 7317168), (4, 5487876), (6, 3658584), (8, 2743938), (9, 2439056), (12, 1829292), (16, 1371969), (18, 1219528), (24, 914646), (36, 609764), (48, 457323), (72, 304882), (144, 152441)]