21346245

素因数分解:

$3^2\times 5^1\times {\mathrm{523}}^1\times {\mathrm{907}}^1$

素因数の和:1441

約数の個数: 24

約数和(自身を含む): 37111776

約数和(自身を除く): 15765531

約数列:

[1, 3, 5, 9, 15, 45, 523, 907, 1569, 2615, 2721, 4535, 4707, 7845, 8163, 13605, 23535, 40815, 474361, 1423083, 2371805, 4269249, 7115415, 21346245]

約数ペア:

[(1, 21346245), (3, 7115415), (5, 4269249), (9, 2371805), (15, 1423083), (45, 474361), (523, 40815), (907, 23535), (1569, 13605), (2615, 8163), (2721, 7845), (4535, 4707)]