21455568

素因数分解:

$2^4\times 3^2\times {\mathrm{148997}}^1$

素因数の和:149011

約数の個数: 30

約数和(自身を含む): 60046194

約数和(自身を除く): 38590626

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 148997, 297994, 446991, 595988, 893982, 1191976, 1340973, 1787964, 2383952, 2681946, 3575928, 5363892, 7151856, 10727784, 21455568]

約数ペア:

[(1, 21455568), (2, 10727784), (3, 7151856), (4, 5363892), (6, 3575928), (8, 2681946), (9, 2383952), (12, 1787964), (16, 1340973), (18, 1191976), (24, 893982), (36, 595988), (48, 446991), (72, 297994), (144, 148997)]