21836337549

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{1087}}^1\times {\mathrm{3457}}^1$

素因数の和:4709

約数の個数: 32

約数和(自身を含む): 31603353600

約数和(自身を除く): 9767016051

約数列:

[1, 3, 13, 39, 149, 447, 1087, 1937, 3261, 3457, 5811, 10371, 14131, 42393, 44941, 134823, 161963, 485889, 515093, 1545279, 2105519, 3757759, 6316557, 6696209, 11273277, 20088627, 48850867, 146552601, 559906091, 1679718273, 7278779183, 21836337549]

約数ペア:

[(1, 21836337549), (3, 7278779183), (13, 1679718273), (39, 559906091), (149, 146552601), (447, 48850867), (1087, 20088627), (1937, 11273277), (3261, 6696209), (3457, 6316557), (5811, 3757759), (10371, 2105519), (14131, 1545279), (42393, 515093), (44941, 485889), (134823, 161963)]