21741266

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{3923}}^1$

素因数の和:4105

約数の個数: 16

約数和(自身を含む): 34750944

約数和(自身を除く): 13009678

約数列:

[1, 2, 17, 34, 163, 326, 2771, 3923, 5542, 7846, 66691, 133382, 639449, 1278898, 10870633, 21741266]

約数ペア:

[(1, 21741266), (2, 10870633), (17, 1278898), (34, 639449), (163, 133382), (326, 66691), (2771, 7846), (3923, 5542)]