21990724

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{46199}}^1$

素因数の和:46227

約数の個数: 24

約数和(自身を含む): 46569600

約数和(自身を除く): 24578876

約数列:

[1, 2, 4, 7, 14, 17, 28, 34, 68, 119, 238, 476, 46199, 92398, 184796, 323393, 646786, 785383, 1293572, 1570766, 3141532, 5497681, 10995362, 21990724]

約数ペア:

[(1, 21990724), (2, 10995362), (4, 5497681), (7, 3141532), (14, 1570766), (17, 1293572), (28, 785383), (34, 646786), (68, 323393), (119, 184796), (238, 92398), (476, 46199)]