21568356

素因数分解:

$2^2\times 3^4\times {\mathrm{66569}}^1$

素因数の和:66585

約数の個数: 30

約数和(自身を含む): 56384790

約数和(自身を除く): 34816434

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 324, 66569, 133138, 199707, 266276, 399414, 599121, 798828, 1198242, 1797363, 2396484, 3594726, 5392089, 7189452, 10784178, 21568356]

約数ペア:

[(1, 21568356), (2, 10784178), (3, 7189452), (4, 5392089), (6, 3594726), (9, 2396484), (12, 1797363), (18, 1198242), (27, 798828), (36, 599121), (54, 399414), (81, 266276), (108, 199707), (162, 133138), (324, 66569)]