21193669899

素因数分解:

$3^3\times {\mathrm{241}}^1\times {\mathrm{881}}^1\times {\mathrm{3697}}^1$

素因数の和:4828

約数の個数: 32

約数和(自身を含む): 31572636480

約数和(自身を除く): 10378966581

約数列:

[1, 3, 9, 27, 241, 723, 881, 2169, 2643, 3697, 6507, 7929, 11091, 23787, 33273, 99819, 212321, 636963, 890977, 1910889, 2672931, 3257057, 5732667, 8018793, 9771171, 24056379, 29313513, 87940539, 784950737, 2354852211, 7064556633, 21193669899]

約数ペア:

[(1, 21193669899), (3, 7064556633), (9, 2354852211), (27, 784950737), (241, 87940539), (723, 29313513), (881, 24056379), (2169, 9771171), (2643, 8018793), (3697, 5732667), (6507, 3257057), (7929, 2672931), (11091, 1910889), (23787, 890977), (33273, 636963), (99819, 212321)]