21039426

素因数分解:

$2^1\times 3^5\times {\mathrm{43291}}^1$

素因数の和:43308

約数の個数: 24

約数和(自身を含む): 47274864

約数和(自身を除く): 26235438

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 43291, 86582, 129873, 259746, 389619, 779238, 1168857, 2337714, 3506571, 7013142, 10519713, 21039426]

約数ペア:

[(1, 21039426), (2, 10519713), (3, 7013142), (6, 3506571), (9, 2337714), (18, 1168857), (27, 779238), (54, 389619), (81, 259746), (162, 129873), (243, 86582), (486, 43291)]