21245064

素因数分解:

$2^3\times 3^1\times {\mathrm{107}}^1\times {\mathrm{8273}}^1$

素因数の和:8389

約数の個数: 32

約数和(自身を含む): 53615520

約数和(自身を除く): 32370456

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 107, 214, 321, 428, 642, 856, 1284, 2568, 8273, 16546, 24819, 33092, 49638, 66184, 99276, 198552, 885211, 1770422, 2655633, 3540844, 5311266, 7081688, 10622532, 21245064]

約数ペア:

[(1, 21245064), (2, 10622532), (3, 7081688), (4, 5311266), (6, 3540844), (8, 2655633), (12, 1770422), (24, 885211), (107, 198552), (214, 99276), (321, 66184), (428, 49638), (642, 33092), (856, 24819), (1284, 16546), (2568, 8273)]