21066064

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{547}}^1$

素因数の和:667

約数の個数: 40

約数和(自身を含む): 42809760

約数和(自身を除く): 21743696

約数列:

[1, 2, 4, 8, 16, 29, 58, 83, 116, 166, 232, 332, 464, 547, 664, 1094, 1328, 2188, 2407, 4376, 4814, 8752, 9628, 15863, 19256, 31726, 38512, 45401, 63452, 90802, 126904, 181604, 253808, 363208, 726416, 1316629, 2633258, 5266516, 10533032, 21066064]

約数ペア:

[(1, 21066064), (2, 10533032), (4, 5266516), (8, 2633258), (16, 1316629), (29, 726416), (58, 363208), (83, 253808), (116, 181604), (166, 126904), (232, 90802), (332, 63452), (464, 45401), (547, 38512), (664, 31726), (1094, 19256), (1328, 15863), (2188, 9628), (2407, 8752), (4376, 4814)]