21299685345

素因数分解:

$3^3\times 5^1\times {\mathrm{83}}^1\times {\mathrm{97}}^1\times {\mathrm{19597}}^1$

素因数の和:19791

約数の個数: 64

約数和(自身を含む): 38719376640

約数和(自身を除く): 17419691295

約数列:

[1, 3, 5, 9, 15, 27, 45, 83, 97, 135, 249, 291, 415, 485, 747, 873, 1245, 1455, 2241, 2619, 3735, 4365, 8051, 11205, 13095, 19597, 24153, 40255, 58791, 72459, 97985, 120765, 176373, 217377, 293955, 362295, 529119, 881865, 1086885, 1626551, 1900909, 2645595, 4879653, 5702727, 8132755, 9504545, 14638959, 17108181, 24398265, 28513635, 43916877, 51324543, 73194795, 85540905, 157775447, 219584385, 256622715, 473326341, 788877235, 1419979023, 2366631705, 4259937069, 7099895115, 21299685345]

約数ペア:

[(1, 21299685345), (3, 7099895115), (5, 4259937069), (9, 2366631705), (15, 1419979023), (27, 788877235), (45, 473326341), (83, 256622715), (97, 219584385), (135, 157775447), (249, 85540905), (291, 73194795), (415, 51324543), (485, 43916877), (747, 28513635), (873, 24398265), (1245, 17108181), (1455, 14638959), (2241, 9504545), (2619, 8132755), (3735, 5702727), (4365, 4879653), (8051, 2645595), (11205, 1900909), (13095, 1626551), (19597, 1086885), (24153, 881865), (40255, 529119), (58791, 362295), (72459, 293955), (97985, 217377), (120765, 176373)]