21453652

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{3559}}^1$

素因数の和:3711

約数の個数: 24

約数和(自身を含む): 41267520

約数和(自身を除く): 19813868

約数列:

[1, 2, 4, 11, 22, 44, 137, 274, 548, 1507, 3014, 3559, 6028, 7118, 14236, 39149, 78298, 156596, 487583, 975166, 1950332, 5363413, 10726826, 21453652]

約数ペア:

[(1, 21453652), (2, 10726826), (4, 5363413), (11, 1950332), (22, 975166), (44, 487583), (137, 156596), (274, 78298), (548, 39149), (1507, 14236), (3014, 7118), (3559, 6028)]