21493395830

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^2\times {\mathrm{1570007}}^1$

素因数の和:1570088

約数の個数: 24

約数和(自身を含む): 39762022608

約数和(自身を除く): 18268626778

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 1369, 2738, 6845, 13690, 1570007, 3140014, 7850035, 15700070, 58090259, 116180518, 290451295, 580902590, 2149339583, 4298679166, 10746697915, 21493395830]

約数ペア:

[(1, 21493395830), (2, 10746697915), (5, 4298679166), (10, 2149339583), (37, 580902590), (74, 290451295), (185, 116180518), (370, 58090259), (1369, 15700070), (2738, 7850035), (6845, 3140014), (13690, 1570007)]