21331488

素因数分解:

$2^5\times 3^1\times {\mathrm{23}}^1\times {\mathrm{9661}}^1$

素因数の和:9697

約数の個数: 48

約数和(自身を含む): 58435776

約数和(自身を除く): 37104288

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 32, 46, 48, 69, 92, 96, 138, 184, 276, 368, 552, 736, 1104, 2208, 9661, 19322, 28983, 38644, 57966, 77288, 115932, 154576, 222203, 231864, 309152, 444406, 463728, 666609, 888812, 927456, 1333218, 1777624, 2666436, 3555248, 5332872, 7110496, 10665744, 21331488]

約数ペア:

[(1, 21331488), (2, 10665744), (3, 7110496), (4, 5332872), (6, 3555248), (8, 2666436), (12, 1777624), (16, 1333218), (23, 927456), (24, 888812), (32, 666609), (46, 463728), (48, 444406), (69, 309152), (92, 231864), (96, 222203), (138, 154576), (184, 115932), (276, 77288), (368, 57966), (552, 38644), (736, 28983), (1104, 19322), (2208, 9661)]