21357579552018

素因数分解:

$2^1\times 3^1\times {\mathrm{661}}^1\times {\mathrm{683}}^1\times {\mathrm{1553}}^1\times {\mathrm{5077}}^1$

素因数の和:7979

約数の個数: 64

約数和(自身を含む): 42878447079552

約数和(自身を除く): 21520867527534

約数列:

[1, 2, 3, 6, 661, 683, 1322, 1366, 1553, 1983, 2049, 3106, 3966, 4098, 4659, 5077, 9318, 10154, 15231, 30462, 451463, 902926, 1026533, 1060699, 1354389, 2053066, 2121398, 2708778, 3079599, 3182097, 3355897, 3467591, 6159198, 6364194, 6711794, 6935182, 7884581, 10067691, 10402773, 15769162, 20135382, 20805546, 23653743, 47307486, 701122039, 1402244078, 2103366117, 2292077651, 4206732234, 4584155302, 5211708041, 5385168823, 6876232953, 10423416082, 10770337646, 13752465906, 15635124123, 16155506469, 31270248246, 32311012938, 3559596592003, 7119193184006, 10678789776009, 21357579552018]

約数ペア:

[(1, 21357579552018), (2, 10678789776009), (3, 7119193184006), (6, 3559596592003), (661, 32311012938), (683, 31270248246), (1322, 16155506469), (1366, 15635124123), (1553, 13752465906), (1983, 10770337646), (2049, 10423416082), (3106, 6876232953), (3966, 5385168823), (4098, 5211708041), (4659, 4584155302), (5077, 4206732234), (9318, 2292077651), (10154, 2103366117), (15231, 1402244078), (30462, 701122039), (451463, 47307486), (902926, 23653743), (1026533, 20805546), (1060699, 20135382), (1354389, 15769162), (2053066, 10402773), (2121398, 10067691), (2708778, 7884581), (3079599, 6935182), (3182097, 6711794), (3355897, 6364194), (3467591, 6159198)]