21471962

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{1699}}^1$

素因数の和:1861

約数の個数: 16

約数和(自身を含む): 33048000

約数和(自身を除く): 11576038

約数列:

[1, 2, 71, 89, 142, 178, 1699, 3398, 6319, 12638, 120629, 151211, 241258, 302422, 10735981, 21471962]

約数ペア:

[(1, 21471962), (2, 10735981), (71, 302422), (89, 241258), (142, 151211), (178, 120629), (1699, 12638), (3398, 6319)]