21349730

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{313}}^1\times {\mathrm{359}}^1$

素因数の和:698

約数の個数: 32

約数和(自身を含む): 40694400

約数和(自身を除く): 19344670

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 313, 359, 626, 718, 1565, 1795, 3130, 3590, 5947, 6821, 11894, 13642, 29735, 34105, 59470, 68210, 112367, 224734, 561835, 1123670, 2134973, 4269946, 10674865, 21349730]

約数ペア:

[(1, 21349730), (2, 10674865), (5, 4269946), (10, 2134973), (19, 1123670), (38, 561835), (95, 224734), (190, 112367), (313, 68210), (359, 59470), (626, 34105), (718, 29735), (1565, 13642), (1795, 11894), (3130, 6821), (3590, 5947)]