21138446

素因数分解:

$2^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{88817}}^1$

素因数の和:88843

約数の個数: 16

約数和(自身を含む): 38369376

約数和(自身を除く): 17230930

約数列:

[1, 2, 7, 14, 17, 34, 119, 238, 88817, 177634, 621719, 1243438, 1509889, 3019778, 10569223, 21138446]

約数ペア:

[(1, 21138446), (2, 10569223), (7, 3019778), (14, 1509889), (17, 1243438), (34, 621719), (119, 177634), (238, 88817)]