21709486

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{487}}^1\times {\mathrm{719}}^1$

素因数の和:1239

約数の個数: 16

約数和(自身を含む): 33730560

約数和(自身を除く): 12021074

約数列:

[1, 2, 31, 62, 487, 719, 974, 1438, 15097, 22289, 30194, 44578, 350153, 700306, 10854743, 21709486]

約数ペア:

[(1, 21709486), (2, 10854743), (31, 700306), (62, 350153), (487, 44578), (719, 30194), (974, 22289), (1438, 15097)]