21372738

素因数分解:

$2^1\times 3^1\times {\mathrm{353}}^1\times {\mathrm{10091}}^1$

素因数の和:10449

約数の個数: 16

約数和(自身を含む): 42870816

約数和(自身を除く): 21498078

約数列:

[1, 2, 3, 6, 353, 706, 1059, 2118, 10091, 20182, 30273, 60546, 3562123, 7124246, 10686369, 21372738]

約数ペア:

[(1, 21372738), (2, 10686369), (3, 7124246), (6, 3562123), (353, 60546), (706, 30273), (1059, 20182), (2118, 10091)]