21856554018

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{48221}}^1$

素因数の和:48404

約数の個数: 72

約数和(自身を含む): 51624062100

約数和(自身を除く): 29767508082

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 149, 169, 234, 298, 338, 447, 507, 894, 1014, 1341, 1521, 1937, 2682, 3042, 3874, 5811, 11622, 17433, 25181, 34866, 48221, 50362, 75543, 96442, 144663, 151086, 226629, 289326, 433989, 453258, 626873, 867978, 1253746, 1880619, 3761238, 5641857, 7184929, 8149349, 11283714, 14369858, 16298698, 21554787, 24448047, 43109574, 48896094, 64664361, 73344141, 93404077, 129328722, 146688282, 186808154, 280212231, 560424462, 840636693, 1214253001, 1681273386, 2428506002, 3642759003, 7285518006, 10928277009, 21856554018]

約数ペア:

[(1, 21856554018), (2, 10928277009), (3, 7285518006), (6, 3642759003), (9, 2428506002), (13, 1681273386), (18, 1214253001), (26, 840636693), (39, 560424462), (78, 280212231), (117, 186808154), (149, 146688282), (169, 129328722), (234, 93404077), (298, 73344141), (338, 64664361), (447, 48896094), (507, 43109574), (894, 24448047), (1014, 21554787), (1341, 16298698), (1521, 14369858), (1937, 11283714), (2682, 8149349), (3042, 7184929), (3874, 5641857), (5811, 3761238), (11622, 1880619), (17433, 1253746), (25181, 867978), (34866, 626873), (48221, 453258), (50362, 433989), (75543, 289326), (96442, 226629), (144663, 151086)]