21000944815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2237}}^1\times {\mathrm{5813}}^1$

素因数の和:8091

約数の個数: 32

約数和(自身を含む): 28105341120

約数和(自身を除く): 7104396305

約数列:

[1, 5, 17, 19, 85, 95, 323, 1615, 2237, 5813, 11185, 29065, 38029, 42503, 98821, 110447, 190145, 212515, 494105, 552235, 722551, 1877599, 3612755, 9387995, 13003681, 65018405, 221062577, 247069939, 1105312885, 1235349695, 4200188963, 21000944815]

約数ペア:

[(1, 21000944815), (5, 4200188963), (17, 1235349695), (19, 1105312885), (85, 247069939), (95, 221062577), (323, 65018405), (1615, 13003681), (2237, 9387995), (5813, 3612755), (11185, 1877599), (29065, 722551), (38029, 552235), (42503, 494105), (98821, 212515), (110447, 190145)]