21294070

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{107}}^1\times {\mathrm{2843}}^1$

素因数の和:2964

約数の個数: 32

約数和(自身を含む): 44229888

約数和(自身を除く): 22935818

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 107, 214, 535, 749, 1070, 1498, 2843, 3745, 5686, 7490, 14215, 19901, 28430, 39802, 99505, 199010, 304201, 608402, 1521005, 2129407, 3042010, 4258814, 10647035, 21294070]

約数ペア:

[(1, 21294070), (2, 10647035), (5, 4258814), (7, 3042010), (10, 2129407), (14, 1521005), (35, 608402), (70, 304201), (107, 199010), (214, 99505), (535, 39802), (749, 28430), (1070, 19901), (1498, 14215), (2843, 7490), (3745, 5686)]