21793518

素因数分解:

$2^1\times 3^2\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{761}}^1$

素因数の和:849

約数の個数: 48

約数和(自身を含む): 49688496

約数和(自身を除く): 27894978

約数列:

[1, 2, 3, 6, 9, 18, 37, 43, 74, 86, 111, 129, 222, 258, 333, 387, 666, 761, 774, 1522, 1591, 2283, 3182, 4566, 4773, 6849, 9546, 13698, 14319, 28157, 28638, 32723, 56314, 65446, 84471, 98169, 168942, 196338, 253413, 294507, 506826, 589014, 1210751, 2421502, 3632253, 7264506, 10896759, 21793518]

約数ペア:

[(1, 21793518), (2, 10896759), (3, 7264506), (6, 3632253), (9, 2421502), (18, 1210751), (37, 589014), (43, 506826), (74, 294507), (86, 253413), (111, 196338), (129, 168942), (222, 98169), (258, 84471), (333, 65446), (387, 56314), (666, 32723), (761, 28638), (774, 28157), (1522, 14319), (1591, 13698), (2283, 9546), (3182, 6849), (4566, 4773)]