21748218

素因数分解:

$2^1\times 3^1\times {\mathrm{89}}^1\times {\mathrm{139}}^1\times {\mathrm{293}}^1$

素因数の和:526

約数の個数: 32

約数和(自身を含む): 44452800

約数和(自身を除く): 22704582

約数列:

[1, 2, 3, 6, 89, 139, 178, 267, 278, 293, 417, 534, 586, 834, 879, 1758, 12371, 24742, 26077, 37113, 40727, 52154, 74226, 78231, 81454, 122181, 156462, 244362, 3624703, 7249406, 10874109, 21748218]

約数ペア:

[(1, 21748218), (2, 10874109), (3, 7249406), (6, 3624703), (89, 244362), (139, 156462), (178, 122181), (267, 81454), (278, 78231), (293, 74226), (417, 52154), (534, 40727), (586, 37113), (834, 26077), (879, 24742), (1758, 12371)]