21742434

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{4013}}^1$

素因数の和:4071

約数の個数: 48

約数和(自身を含む): 55104192

約数和(自身を除く): 33361758

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 63, 86, 126, 129, 258, 301, 387, 602, 774, 903, 1806, 2709, 4013, 5418, 8026, 12039, 24078, 28091, 36117, 56182, 72234, 84273, 168546, 172559, 252819, 345118, 505638, 517677, 1035354, 1207913, 1553031, 2415826, 3106062, 3623739, 7247478, 10871217, 21742434]

約数ペア:

[(1, 21742434), (2, 10871217), (3, 7247478), (6, 3623739), (7, 3106062), (9, 2415826), (14, 1553031), (18, 1207913), (21, 1035354), (42, 517677), (43, 505638), (63, 345118), (86, 252819), (126, 172559), (129, 168546), (258, 84273), (301, 72234), (387, 56182), (602, 36117), (774, 28091), (903, 24078), (1806, 12039), (2709, 8026), (4013, 5418)]