42428820

素因数分解:

$2^2\times 3^1\times 5^1\times 7^1\times {\mathrm{101021}}^1$

素因数の和:101040

約数の個数: 48

約数和(自身を含む): 135773568

約数和(自身を除く): 93344748

約数列:

[1, 2, 3, 4, 5, 6, 7, 10, 12, 14, 15, 20, 21, 28, 30, 35, 42, 60, 70, 84, 105, 140, 210, 420, 101021, 202042, 303063, 404084, 505105, 606126, 707147, 1010210, 1212252, 1414294, 1515315, 2020420, 2121441, 2828588, 3030630, 3535735, 4242882, 6061260, 7071470, 8485764, 10607205, 14142940, 21214410, 42428820]

約数ペア:

[(1, 42428820), (2, 21214410), (3, 14142940), (4, 10607205), (5, 8485764), (6, 7071470), (7, 6061260), (10, 4242882), (12, 3535735), (14, 3030630), (15, 2828588), (20, 2121441), (21, 2020420), (28, 1515315), (30, 1414294), (35, 1212252), (42, 1010210), (60, 707147), (70, 606126), (84, 505105), (105, 404084), (140, 303063), (210, 202042), (420, 101021)]