21222200

素因数分解:

$2^3\times 5^2\times {\mathrm{29}}^1\times {\mathrm{3659}}^1$

素因数の和:3704

約数の個数: 48

約数和(自身を含む): 51057000

約数和(自身を除く): 29834800

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 29, 40, 50, 58, 100, 116, 145, 200, 232, 290, 580, 725, 1160, 1450, 2900, 3659, 5800, 7318, 14636, 18295, 29272, 36590, 73180, 91475, 106111, 146360, 182950, 212222, 365900, 424444, 530555, 731800, 848888, 1061110, 2122220, 2652775, 4244440, 5305550, 10611100, 21222200]

約数ペア:

[(1, 21222200), (2, 10611100), (4, 5305550), (5, 4244440), (8, 2652775), (10, 2122220), (20, 1061110), (25, 848888), (29, 731800), (40, 530555), (50, 424444), (58, 365900), (100, 212222), (116, 182950), (145, 146360), (200, 106111), (232, 91475), (290, 73180), (580, 36590), (725, 29272), (1160, 18295), (1450, 14636), (2900, 7318), (3659, 5800)]