21249972

素因数分解:

$2^2\times 3^3\times {\mathrm{41}}^1\times {\mathrm{4799}}^1$

素因数の和:4853

約数の個数: 48

約数和(自身を含む): 56448000

約数和(自身を除く): 35198028

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 41, 54, 82, 108, 123, 164, 246, 369, 492, 738, 1107, 1476, 2214, 4428, 4799, 9598, 14397, 19196, 28794, 43191, 57588, 86382, 129573, 172764, 196759, 259146, 393518, 518292, 590277, 787036, 1180554, 1770831, 2361108, 3541662, 5312493, 7083324, 10624986, 21249972]

約数ペア:

[(1, 21249972), (2, 10624986), (3, 7083324), (4, 5312493), (6, 3541662), (9, 2361108), (12, 1770831), (18, 1180554), (27, 787036), (36, 590277), (41, 518292), (54, 393518), (82, 259146), (108, 196759), (123, 172764), (164, 129573), (246, 86382), (369, 57588), (492, 43191), (738, 28794), (1107, 19196), (1476, 14397), (2214, 9598), (4428, 4799)]