21268300

素因数分解:

$2^2\times 5^2\times {\mathrm{212683}}^1$

素因数の和:212697

約数の個数: 18

約数和(自身を含む): 46152428

約数和(自身を除く): 24884128

約数列:

[1, 2, 4, 5, 10, 20, 25, 50, 100, 212683, 425366, 850732, 1063415, 2126830, 4253660, 5317075, 10634150, 21268300]

約数ペア:

[(1, 21268300), (2, 10634150), (4, 5317075), (5, 4253660), (10, 2126830), (20, 1063415), (25, 850732), (50, 425366), (100, 212683)]