21060972

素因数分解:

$2^2\times 3^4\times {\mathrm{65003}}^1$

素因数の和:65019

約数の個数: 30

約数和(自身を含む): 55058388

約数和(自身を除く): 33997416

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 65003, 130006, 195009, 260012, 390018, 585027, 780036, 1170054, 1755081, 2340108, 3510162, 5265243, 7020324, 10530486, 21060972]

約数ペア:

[(1, 21060972), (2, 10530486), (3, 7020324), (4, 5265243), (6, 3510162), (9, 2340108), (12, 1755081), (18, 1170054), (27, 780036), (36, 585027), (54, 390018), (81, 260012), (108, 195009), (162, 130006), (324, 65003)]