21295330

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{2791}}^1$

素因数の和:2914

約数の個数: 32

約数和(自身を含む): 44225280

約数和(自身を除く): 22929950

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 109, 218, 545, 763, 1090, 1526, 2791, 3815, 5582, 7630, 13955, 19537, 27910, 39074, 97685, 195370, 304219, 608438, 1521095, 2129533, 3042190, 4259066, 10647665, 21295330]

約数ペア:

[(1, 21295330), (2, 10647665), (5, 4259066), (7, 3042190), (10, 2129533), (14, 1521095), (35, 608438), (70, 304219), (109, 195370), (218, 97685), (545, 39074), (763, 27910), (1090, 19537), (1526, 13955), (2791, 7630), (3815, 5582)]