21473881

素因数分解:

${\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{6529}}^1$

素因数の和:6576

約数の個数: 16

約数和(自身を含む): 26328960

約数和(自身を除く): 4855079

約数列:

[1, 11, 13, 23, 143, 253, 299, 3289, 6529, 71819, 84877, 150167, 933647, 1651837, 1952171, 21473881]

約数ペア:

[(1, 21473881), (11, 1952171), (13, 1651837), (23, 933647), (143, 150167), (253, 84877), (299, 71819), (3289, 6529)]