21715678968

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{227}}^1\times {\mathrm{209789}}^1$

素因数の和:210044

約数の個数: 64

約数和(自身を含む): 57398544000

約数和(自身を除く): 35682865032

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 24, 38, 57, 76, 114, 152, 227, 228, 454, 456, 681, 908, 1362, 1816, 2724, 4313, 5448, 8626, 12939, 17252, 25878, 34504, 51756, 103512, 209789, 419578, 629367, 839156, 1258734, 1678312, 2517468, 3985991, 5034936, 7971982, 11957973, 15943964, 23915946, 31887928, 47622103, 47831892, 95244206, 95663784, 142866309, 190488412, 285732618, 380976824, 571465236, 904819957, 1142930472, 1809639914, 2714459871, 3619279828, 5428919742, 7238559656, 10857839484, 21715678968]

約数ペア:

[(1, 21715678968), (2, 10857839484), (3, 7238559656), (4, 5428919742), (6, 3619279828), (8, 2714459871), (12, 1809639914), (19, 1142930472), (24, 904819957), (38, 571465236), (57, 380976824), (76, 285732618), (114, 190488412), (152, 142866309), (227, 95663784), (228, 95244206), (454, 47831892), (456, 47622103), (681, 31887928), (908, 23915946), (1362, 15943964), (1816, 11957973), (2724, 7971982), (4313, 5034936), (5448, 3985991), (8626, 2517468), (12939, 1678312), (17252, 1258734), (25878, 839156), (34504, 629367), (51756, 419578), (103512, 209789)]