21262827

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{223}}^1\times {\mathrm{859}}^1$

素因数の和:1122

約数の個数: 16

約数和(自身を含む): 29281280

約数和(自身を除く): 8018453

約数列:

[1, 3, 37, 111, 223, 669, 859, 2577, 8251, 24753, 31783, 95349, 191557, 574671, 7087609, 21262827]

約数ペア:

[(1, 21262827), (3, 7087609), (37, 574671), (111, 191557), (223, 95349), (669, 31783), (859, 24753), (2577, 8251)]