21300138

素因数分解:

$2^1\times 3^3\times {\mathrm{79}}^1\times {\mathrm{4993}}^1$

素因数の和:5083

約数の個数: 32

約数和(自身を含む): 47942400

約数和(自身を除く): 26642262

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 79, 158, 237, 474, 711, 1422, 2133, 4266, 4993, 9986, 14979, 29958, 44937, 89874, 134811, 269622, 394447, 788894, 1183341, 2366682, 3550023, 7100046, 10650069, 21300138]

約数ペア:

[(1, 21300138), (2, 10650069), (3, 7100046), (6, 3550023), (9, 2366682), (18, 1183341), (27, 788894), (54, 394447), (79, 269622), (158, 134811), (237, 89874), (474, 44937), (711, 29958), (1422, 14979), (2133, 9986), (4266, 4993)]