21664713904

素因数分解:

$2^4\times {\mathrm{661}}^1\times {\mathrm{827}}^1\times {\mathrm{2477}}^1$

素因数の和:3973

約数の個数: 40

約数和(自身を含む): 42106711248

約数和(自身を除く): 20441997344

約数列:

[1, 2, 4, 8, 16, 661, 827, 1322, 1654, 2477, 2644, 3308, 4954, 5288, 6616, 9908, 10576, 13232, 19816, 39632, 546647, 1093294, 1637297, 2048479, 2186588, 3274594, 4096958, 4373176, 6549188, 8193916, 8746352, 13098376, 16387832, 26196752, 32775664, 1354044619, 2708089238, 5416178476, 10832356952, 21664713904]

約数ペア:

[(1, 21664713904), (2, 10832356952), (4, 5416178476), (8, 2708089238), (16, 1354044619), (661, 32775664), (827, 26196752), (1322, 16387832), (1654, 13098376), (2477, 8746352), (2644, 8193916), (3308, 6549188), (4954, 4373176), (5288, 4096958), (6616, 3274594), (9908, 2186588), (10576, 2048479), (13232, 1637297), (19816, 1093294), (39632, 546647)]