21250352

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{14923}}^1$

素因数の和:15020

約数の個数: 20

約数和(自身を含む): 41637960

約数和(自身を除く): 20387608

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 14923, 29846, 59692, 119384, 238768, 1328147, 2656294, 5312588, 10625176, 21250352]

約数ペア:

[(1, 21250352), (2, 10625176), (4, 5312588), (8, 2656294), (16, 1328147), (89, 238768), (178, 119384), (356, 59692), (712, 29846), (1424, 14923)]