21255376

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{2411}}^1$

素因数の和:2467

約数の個数: 40

約数和(自身を含む): 44863200

約数和(自身を除く): 23607824

約数列:

[1, 2, 4, 8, 16, 19, 29, 38, 58, 76, 116, 152, 232, 304, 464, 551, 1102, 2204, 2411, 4408, 4822, 8816, 9644, 19288, 38576, 45809, 69919, 91618, 139838, 183236, 279676, 366472, 559352, 732944, 1118704, 1328461, 2656922, 5313844, 10627688, 21255376]

約数ペア:

[(1, 21255376), (2, 10627688), (4, 5313844), (8, 2656922), (16, 1328461), (19, 1118704), (29, 732944), (38, 559352), (58, 366472), (76, 279676), (116, 183236), (152, 139838), (232, 91618), (304, 69919), (464, 45809), (551, 38576), (1102, 19288), (2204, 9644), (2411, 8816), (4408, 4822)]