21900250

素因数分解:

$2^1\times 5^3\times {\mathrm{17}}^1\times {\mathrm{5153}}^1$

素因数の和:5187

約数の個数: 32

約数和(自身を含む): 43417296

約数和(自身を除く): 21517046

約数列:

[1, 2, 5, 10, 17, 25, 34, 50, 85, 125, 170, 250, 425, 850, 2125, 4250, 5153, 10306, 25765, 51530, 87601, 128825, 175202, 257650, 438005, 644125, 876010, 1288250, 2190025, 4380050, 10950125, 21900250]

約数ペア:

[(1, 21900250), (2, 10950125), (5, 4380050), (10, 2190025), (17, 1288250), (25, 876010), (34, 644125), (50, 438005), (85, 257650), (125, 175202), (170, 128825), (250, 87601), (425, 51530), (850, 25765), (2125, 10306), (4250, 5153)]