21541258

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{5231}}^1$

素因数の和:5333

約数の個数: 16

約数和(自身を含む): 33903360

約数和(自身を除く): 12362102

約数列:

[1, 2, 29, 58, 71, 142, 2059, 4118, 5231, 10462, 151699, 303398, 371401, 742802, 10770629, 21541258]

約数ペア:

[(1, 21541258), (2, 10770629), (29, 742802), (58, 371401), (71, 303398), (142, 151699), (2059, 10462), (4118, 5231)]