21006950

素因数分解:

$2^1\times 5^2\times {\mathrm{59}}^1\times {\mathrm{7121}}^1$

素因数の和:7192

約数の個数: 24

約数和(自身を含む): 39740760

約数和(自身を除く): 18733810

約数列:

[1, 2, 5, 10, 25, 50, 59, 118, 295, 590, 1475, 2950, 7121, 14242, 35605, 71210, 178025, 356050, 420139, 840278, 2100695, 4201390, 10503475, 21006950]

約数ペア:

[(1, 21006950), (2, 10503475), (5, 4201390), (10, 2100695), (25, 840278), (50, 420139), (59, 356050), (118, 178025), (295, 71210), (590, 35605), (1475, 14242), (2950, 7121)]