21827542

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{661}}^1$

素因数の和:772

約数の個数: 32

約数和(自身を含む): 38131200

約数和(自身を除く): 16303658

約数列:

[1, 2, 11, 19, 22, 38, 79, 158, 209, 418, 661, 869, 1322, 1501, 1738, 3002, 7271, 12559, 14542, 16511, 25118, 33022, 52219, 104438, 138149, 276298, 574409, 992161, 1148818, 1984322, 10913771, 21827542]

約数ペア:

[(1, 21827542), (2, 10913771), (11, 1984322), (19, 1148818), (22, 992161), (38, 574409), (79, 276298), (158, 138149), (209, 104438), (418, 52219), (661, 33022), (869, 25118), (1322, 16511), (1501, 14542), (1738, 12559), (3002, 7271)]