21941216

素因数分解:

$2^5\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{751}}^1$

素因数の和:855

約数の個数: 48

約数和(自身を含む): 47755008

約数和(自身を除く): 25813792

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 83, 88, 166, 176, 332, 352, 664, 751, 913, 1328, 1502, 1826, 2656, 3004, 3652, 6008, 7304, 8261, 12016, 14608, 16522, 24032, 29216, 33044, 62333, 66088, 124666, 132176, 249332, 264352, 498664, 685663, 997328, 1371326, 1994656, 2742652, 5485304, 10970608, 21941216]

約数ペア:

[(1, 21941216), (2, 10970608), (4, 5485304), (8, 2742652), (11, 1994656), (16, 1371326), (22, 997328), (32, 685663), (44, 498664), (83, 264352), (88, 249332), (166, 132176), (176, 124666), (332, 66088), (352, 62333), (664, 33044), (751, 29216), (913, 24032), (1328, 16522), (1502, 14608), (1826, 12016), (2656, 8261), (3004, 7304), (3652, 6008)]