21645734

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{1933}}^1$

素因数の和:2455

約数の個数: 16

約数和(自身を含む): 35508240

約数和(自身を除く): 13862506

約数列:

[1, 2, 11, 22, 509, 1018, 1933, 3866, 5599, 11198, 21263, 42526, 983897, 1967794, 10822867, 21645734]

約数ペア:

[(1, 21645734), (2, 10822867), (11, 1967794), (22, 983897), (509, 42526), (1018, 21263), (1933, 11198), (3866, 5599)]