21963195

素因数分解:

$3^2\times 5^1\times {\mathrm{271}}^1\times {\mathrm{1801}}^1$

素因数の和:2083

約数の個数: 24

約数和(自身を含む): 38231232

約数和(自身を除く): 16268037

約数列:

[1, 3, 5, 9, 15, 45, 271, 813, 1355, 1801, 2439, 4065, 5403, 9005, 12195, 16209, 27015, 81045, 488071, 1464213, 2440355, 4392639, 7321065, 21963195]

約数ペア:

[(1, 21963195), (3, 7321065), (5, 4392639), (9, 2440355), (15, 1464213), (45, 488071), (271, 81045), (813, 27015), (1355, 16209), (1801, 12195), (2439, 9005), (4065, 5403)]