21024945

素因数分解:

$3^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{7919}}^1$

素因数の和:7989

約数の個数: 24

約数和(自身を含む): 37065600

約数和(自身を除く): 16040655

約数列:

[1, 3, 5, 9, 15, 45, 59, 177, 295, 531, 885, 2655, 7919, 23757, 39595, 71271, 118785, 356355, 467221, 1401663, 2336105, 4204989, 7008315, 21024945]

約数ペア:

[(1, 21024945), (3, 7008315), (5, 4204989), (9, 2336105), (15, 1401663), (45, 467221), (59, 356355), (177, 118785), (295, 71271), (531, 39595), (885, 23757), (2655, 7919)]