21149998

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{4673}}^1$

素因数の和:4779

約数の個数: 16

約数和(自身を含む): 33204096

約数和(自身を除く): 12054098

約数列:

[1, 2, 31, 62, 73, 146, 2263, 4526, 4673, 9346, 144863, 289726, 341129, 682258, 10574999, 21149998]

約数ペア:

[(1, 21149998), (2, 10574999), (31, 682258), (62, 341129), (73, 289726), (146, 144863), (2263, 9346), (4526, 4673)]