21732340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{155231}}^1$

素因数の和:155247

約数の個数: 24

約数和(自身を含む): 52157952

約数和(自身を除く): 30425612

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 155231, 310462, 620924, 776155, 1086617, 1552310, 2173234, 3104620, 4346468, 5433085, 10866170, 21732340]

約数ペア:

[(1, 21732340), (2, 10866170), (4, 5433085), (5, 4346468), (7, 3104620), (10, 2173234), (14, 1552310), (20, 1086617), (28, 776155), (35, 620924), (70, 310462), (140, 155231)]