21983038

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{683}}^1$

素因数の和:733

約数の個数: 48

約数和(自身を含む): 43666560

約数和(自身を除く): 21683522

約数列:

[1, 2, 7, 11, 14, 19, 22, 38, 77, 121, 133, 154, 209, 242, 266, 418, 683, 847, 1366, 1463, 1694, 2299, 2926, 4598, 4781, 7513, 9562, 12977, 15026, 16093, 25954, 32186, 52591, 82643, 90839, 105182, 142747, 165286, 181678, 285494, 578501, 999229, 1157002, 1570217, 1998458, 3140434, 10991519, 21983038]

約数ペア:

[(1, 21983038), (2, 10991519), (7, 3140434), (11, 1998458), (14, 1570217), (19, 1157002), (22, 999229), (38, 578501), (77, 285494), (121, 181678), (133, 165286), (154, 142747), (209, 105182), (242, 90839), (266, 82643), (418, 52591), (683, 32186), (847, 25954), (1366, 16093), (1463, 15026), (1694, 12977), (2299, 9562), (2926, 7513), (4598, 4781)]