21620682

素因数分解:

$2^1\times 3^7\times {\mathrm{4943}}^1$

素因数の和:4966

約数の個数: 32

約数和(自身を含む): 48648960

約数和(自身を除く): 27028278

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 2187, 4374, 4943, 9886, 14829, 29658, 44487, 88974, 133461, 266922, 400383, 800766, 1201149, 2402298, 3603447, 7206894, 10810341, 21620682]

約数ペア:

[(1, 21620682), (2, 10810341), (3, 7206894), (6, 3603447), (9, 2402298), (18, 1201149), (27, 800766), (54, 400383), (81, 266922), (162, 133461), (243, 88974), (486, 44487), (729, 29658), (1458, 14829), (2187, 9886), (4374, 4943)]