21058096

素因数分解:

$2^4\times {\mathrm{83}}^1\times {\mathrm{101}}^1\times {\mathrm{157}}^1$

素因数の和:349

約数の個数: 40

約数和(自身を含む): 41966064

約数和(自身を除く): 20907968

約数列:

[1, 2, 4, 8, 16, 83, 101, 157, 166, 202, 314, 332, 404, 628, 664, 808, 1256, 1328, 1616, 2512, 8383, 13031, 15857, 16766, 26062, 31714, 33532, 52124, 63428, 67064, 104248, 126856, 134128, 208496, 253712, 1316131, 2632262, 5264524, 10529048, 21058096]

約数ペア:

[(1, 21058096), (2, 10529048), (4, 5264524), (8, 2632262), (16, 1316131), (83, 253712), (101, 208496), (157, 134128), (166, 126856), (202, 104248), (314, 67064), (332, 63428), (404, 52124), (628, 33532), (664, 31714), (808, 26062), (1256, 16766), (1328, 15857), (1616, 13031), (2512, 8383)]