21167309871

素因数分解:

$3^2\times {\mathrm{347}}^1\times {\mathrm{547}}^1\times {\mathrm{12391}}^1$

素因数の和:13291

約数の個数: 24

約数和(自身を含む): 30721651584

約数和(自身を除く): 9554341713

約数列:

[1, 3, 9, 347, 547, 1041, 1641, 3123, 4923, 12391, 37173, 111519, 189809, 569427, 1708281, 4299677, 6777877, 12899031, 20333631, 38697093, 61000893, 2351923319, 7055769957, 21167309871]

約数ペア:

[(1, 21167309871), (3, 7055769957), (9, 2351923319), (347, 61000893), (547, 38697093), (1041, 20333631), (1641, 12899031), (3123, 6777877), (4923, 4299677), (12391, 1708281), (37173, 569427), (111519, 189809)]