21910195

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{6287}}^1$

素因数の和:6350

約数の個数: 16

約数和(自身を含む): 28522368

約数和(自身を除く): 6612173

約数列:

[1, 5, 17, 41, 85, 205, 697, 3485, 6287, 31435, 106879, 257767, 534395, 1288835, 4382039, 21910195]

約数ペア:

[(1, 21910195), (5, 4382039), (17, 1288835), (41, 534395), (85, 257767), (205, 106879), (697, 31435), (3485, 6287)]