21510554

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{151}}^1\times {\mathrm{5479}}^1$

素因数の和:5645

約数の個数: 16

約数和(自身を含む): 34984320

約数和(自身を除く): 13473766

約数列:

[1, 2, 13, 26, 151, 302, 1963, 3926, 5479, 10958, 71227, 142454, 827329, 1654658, 10755277, 21510554]

約数ペア:

[(1, 21510554), (2, 10755277), (13, 1654658), (26, 827329), (151, 142454), (302, 71227), (1963, 10958), (3926, 5479)]