21229838

素因数分解:

$2^1\times 7^2\times {\mathrm{17}}^1\times {\mathrm{12743}}^1$

素因数の和:12776

約数の個数: 24

約数和(自身を含む): 39226032

約数和(自身を除く): 17996194

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 833, 1666, 12743, 25486, 89201, 178402, 216631, 433262, 624407, 1248814, 1516417, 3032834, 10614919, 21229838]

約数ペア:

[(1, 21229838), (2, 10614919), (7, 3032834), (14, 1516417), (17, 1248814), (34, 624407), (49, 433262), (98, 216631), (119, 178402), (238, 89201), (833, 25486), (1666, 12743)]