21231346

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{401}}^1\times {\mathrm{1151}}^1$

素因数の和:1577

約数の個数: 16

約数和(自身を含む): 33343488

約数和(自身を除く): 12112142

約数列:

[1, 2, 23, 46, 401, 802, 1151, 2302, 9223, 18446, 26473, 52946, 461551, 923102, 10615673, 21231346]

約数ペア:

[(1, 21231346), (2, 10615673), (23, 923102), (46, 461551), (401, 52946), (802, 26473), (1151, 18446), (2302, 9223)]