21464679

素因数分解:

$3^1\times {\mathrm{31}}^1\times {\mathrm{443}}^1\times {\mathrm{521}}^1$

素因数の和:998

約数の個数: 16

約数和(自身を含む): 29666304

約数和(自身を除く): 8201625

約数列:

[1, 3, 31, 93, 443, 521, 1329, 1563, 13733, 16151, 41199, 48453, 230803, 692409, 7154893, 21464679]

約数ペア:

[(1, 21464679), (3, 7154893), (31, 692409), (93, 230803), (443, 48453), (521, 41199), (1329, 16151), (1563, 13733)]