21177678

素因数分解:

$2^1\times 3^1\times {\mathrm{1301}}^1\times {\mathrm{2713}}^1$

素因数の和:4019

約数の個数: 16

約数和(自身を含む): 42403536

約数和(自身を除く): 21225858

約数列:

[1, 2, 3, 6, 1301, 2602, 2713, 3903, 5426, 7806, 8139, 16278, 3529613, 7059226, 10588839, 21177678]

約数ペア:

[(1, 21177678), (2, 10588839), (3, 7059226), (6, 3529613), (1301, 16278), (2602, 8139), (2713, 7806), (3903, 5426)]