21259872

素因数分解:

$2^5\times 3^2\times {\mathrm{73819}}^1$

素因数の和:73835

約数の個数: 36

約数和(自身を含む): 60458580

約数和(自身を除く): 39198708

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 288, 73819, 147638, 221457, 295276, 442914, 590552, 664371, 885828, 1181104, 1328742, 1771656, 2362208, 2657484, 3543312, 5314968, 7086624, 10629936, 21259872]

約数ペア:

[(1, 21259872), (2, 10629936), (3, 7086624), (4, 5314968), (6, 3543312), (8, 2657484), (9, 2362208), (12, 1771656), (16, 1328742), (18, 1181104), (24, 885828), (32, 664371), (36, 590552), (48, 442914), (72, 295276), (96, 221457), (144, 147638), (288, 73819)]