21333864

素因数分解:

$2^3\times 3^1\times {\mathrm{47}}^1\times {\mathrm{18913}}^1$

素因数の和:18969

約数の個数: 32

約数和(自身を含む): 54472320

約数和(自身を除く): 33138456

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 47, 94, 141, 188, 282, 376, 564, 1128, 18913, 37826, 56739, 75652, 113478, 151304, 226956, 453912, 888911, 1777822, 2666733, 3555644, 5333466, 7111288, 10666932, 21333864]

約数ペア:

[(1, 21333864), (2, 10666932), (3, 7111288), (4, 5333466), (6, 3555644), (8, 2666733), (12, 1777822), (24, 888911), (47, 453912), (94, 226956), (141, 151304), (188, 113478), (282, 75652), (376, 56739), (564, 37826), (1128, 18913)]