2941820

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{21013}}^1$

素因数の和:21029

約数の個数: 24

約数和(自身を含む): 7060704

約数和(自身を除く): 4118884

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 21013, 42026, 84052, 105065, 147091, 210130, 294182, 420260, 588364, 735455, 1470910, 2941820]

約数ペア:

[(1, 2941820), (2, 1470910), (4, 735455), (5, 588364), (7, 420260), (10, 294182), (14, 210130), (20, 147091), (28, 105065), (35, 84052), (70, 42026), (140, 21013)]