21671569315

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{823}}^1\times {\mathrm{28163}}^1$

素因数の和:29019

約数の個数: 32

約数和(自身を含む): 30076448256

約数和(自身を除く): 8404878941

約数列:

[1, 5, 11, 17, 55, 85, 187, 823, 935, 4115, 9053, 13991, 28163, 45265, 69955, 140815, 153901, 309793, 478771, 769505, 1548965, 2393855, 5266481, 23178149, 26332405, 115890745, 254959639, 394028533, 1274798195, 1970142665, 4334313863, 21671569315]

約数ペア:

[(1, 21671569315), (5, 4334313863), (11, 1970142665), (17, 1274798195), (55, 394028533), (85, 254959639), (187, 115890745), (823, 26332405), (935, 23178149), (4115, 5266481), (9053, 2393855), (13991, 1548965), (28163, 769505), (45265, 478771), (69955, 309793), (140815, 153901)]