21234684961

素因数分解:

$7^1\times {\mathrm{263}}^1\times {\mathrm{2437}}^1\times {\mathrm{4733}}^1$

素因数の和:7440

約数の個数: 16

約数和(自身を含む): 24375631104

約数和(自身を除く): 3140946143

約数列:

[1, 7, 263, 1841, 2437, 4733, 17059, 33131, 640931, 1244779, 4486517, 8713453, 11534321, 80740247, 3033526423, 21234684961]

約数ペア:

[(1, 21234684961), (7, 3033526423), (263, 80740247), (1841, 11534321), (2437, 8713453), (4733, 4486517), (17059, 1244779), (33131, 640931)]