21986950

素因数分解:

$2^1\times 5^2\times {\mathrm{17}}^1\times {\mathrm{25867}}^1$

素因数の和:25896

約数の個数: 24

約数和(自身を含む): 43303032

約数和(自身を除く): 21316082

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 170, 425, 850, 25867, 51734, 129335, 258670, 439739, 646675, 879478, 1293350, 2198695, 4397390, 10993475, 21986950]

約数ペア:

[(1, 21986950), (2, 10993475), (5, 4397390), (10, 2198695), (17, 1293350), (25, 879478), (34, 646675), (50, 439739), (85, 258670), (170, 129335), (425, 51734), (850, 25867)]