21291752

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{3331}}^1$

素因数の和:3401

約数の個数: 32

約数和(自身を含む): 43182720

約数和(自身を除く): 21890968

約数列:

[1, 2, 4, 8, 17, 34, 47, 68, 94, 136, 188, 376, 799, 1598, 3196, 3331, 6392, 6662, 13324, 26648, 56627, 113254, 156557, 226508, 313114, 453016, 626228, 1252456, 2661469, 5322938, 10645876, 21291752]

約数ペア:

[(1, 21291752), (2, 10645876), (4, 5322938), (8, 2661469), (17, 1252456), (34, 626228), (47, 453016), (68, 313114), (94, 226508), (136, 156557), (188, 113254), (376, 56627), (799, 26648), (1598, 13324), (3196, 6662), (3331, 6392)]