21104397737

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{449}}^1\times {\mathrm{1423}}^1$

素因数の和:1985

約数の個数: 32

約数和(自身を含む): 23530176000

約数和(自身を除く): 2425778263

約数列:

[1, 17, 29, 67, 449, 493, 1139, 1423, 1943, 7633, 13021, 24191, 30083, 33031, 41267, 95341, 221357, 511411, 638927, 701539, 872407, 1620797, 2764889, 10861759, 14830919, 18528883, 42808109, 47003113, 314991011, 727737853, 1241435161, 21104397737]

約数ペア:

[(1, 21104397737), (17, 1241435161), (29, 727737853), (67, 314991011), (449, 47003113), (493, 42808109), (1139, 18528883), (1423, 14830919), (1943, 10861759), (7633, 2764889), (13021, 1620797), (24191, 872407), (30083, 701539), (33031, 638927), (41267, 511411), (95341, 221357)]