210913390

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{1240667}}^1$

素因数の和:1240691

約数の個数: 16

約数和(自身を含む): 401976432

約数和(自身を除く): 191063042

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 1240667, 2481334, 6203335, 12406670, 21091339, 42182678, 105456695, 210913390]

約数ペア:

[(1, 210913390), (2, 105456695), (5, 42182678), (10, 21091339), (17, 12406670), (34, 6203335), (85, 2481334), (170, 1240667)]