21034750

素因数分解:

$2^1\times 5^3\times {\mathrm{11}}^1\times {\mathrm{7649}}^1$

素因数の和:7677

約数の個数: 32

約数和(自身を含む): 42962400

約数和(自身を除く): 21927650

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 110, 125, 250, 275, 550, 1375, 2750, 7649, 15298, 38245, 76490, 84139, 168278, 191225, 382450, 420695, 841390, 956125, 1912250, 2103475, 4206950, 10517375, 21034750]

約数ペア:

[(1, 21034750), (2, 10517375), (5, 4206950), (10, 2103475), (11, 1912250), (22, 956125), (25, 841390), (50, 420695), (55, 382450), (110, 191225), (125, 168278), (250, 84139), (275, 76490), (550, 38245), (1375, 15298), (2750, 7649)]