21836012967

素因数分解:

$3^4\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{61703}}^1$

素因数の和:61989

約数の個数: 40

約数和(自身を含む): 34672958496

約数和(自身を除く): 12836945529

約数列:

[1, 3, 9, 17, 27, 51, 81, 153, 257, 459, 771, 1377, 2313, 4369, 6939, 13107, 20817, 39321, 61703, 117963, 185109, 353889, 555327, 1048951, 1665981, 3146853, 4997943, 9440559, 15857671, 28321677, 47573013, 84965031, 142719039, 269580407, 428157117, 808741221, 1284471351, 2426223663, 7278670989, 21836012967]

約数ペア:

[(1, 21836012967), (3, 7278670989), (9, 2426223663), (17, 1284471351), (27, 808741221), (51, 428157117), (81, 269580407), (153, 142719039), (257, 84965031), (459, 47573013), (771, 28321677), (1377, 15857671), (2313, 9440559), (4369, 4997943), (6939, 3146853), (13107, 1665981), (20817, 1048951), (39321, 555327), (61703, 353889), (117963, 185109)]