21617382010

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{308819743}}^1$

素因数の和:308819757

約数の個数: 16

約数和(自身を含む): 44470043136

約数和(自身を除く): 22852661126

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 308819743, 617639486, 1544098715, 2161738201, 3088197430, 4323476402, 10808691005, 21617382010]

約数ペア:

[(1, 21617382010), (2, 10808691005), (5, 4323476402), (7, 3088197430), (10, 2161738201), (14, 1544098715), (35, 617639486), (70, 308819743)]