21064051085

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{73}}^1\times {\mathrm{12703}}^1$

素因数の和:12858

約数の個数: 64

約数和(自身を含む): 32489717760

約数和(自身を除く): 11425666675

約数列:

[1, 5, 7, 11, 35, 55, 59, 73, 77, 295, 365, 385, 413, 511, 649, 803, 2065, 2555, 3245, 4015, 4307, 4543, 5621, 12703, 21535, 22715, 28105, 30149, 47377, 63515, 88921, 139733, 150745, 236885, 331639, 444605, 698665, 749477, 927319, 978131, 1658195, 3747385, 4636595, 4890655, 5246339, 6491233, 8244247, 10200509, 26231695, 32456165, 41221235, 51002545, 54711821, 57709729, 71403563, 273559105, 288548645, 357017815, 382982747, 601830031, 1914913735, 3009150155, 4212810217, 21064051085]

約数ペア:

[(1, 21064051085), (5, 4212810217), (7, 3009150155), (11, 1914913735), (35, 601830031), (55, 382982747), (59, 357017815), (73, 288548645), (77, 273559105), (295, 71403563), (365, 57709729), (385, 54711821), (413, 51002545), (511, 41221235), (649, 32456165), (803, 26231695), (2065, 10200509), (2555, 8244247), (3245, 6491233), (4015, 5246339), (4307, 4890655), (4543, 4636595), (5621, 3747385), (12703, 1658195), (21535, 978131), (22715, 927319), (28105, 749477), (30149, 698665), (47377, 444605), (63515, 331639), (88921, 236885), (139733, 150745)]