21743982

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{2161}}^1$

素因数の和:2225

約数の個数: 48

約数和(自身を含む): 51939888

約数和(自身を除く): 30195906

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 43, 78, 86, 117, 129, 234, 258, 387, 559, 774, 1118, 1677, 2161, 3354, 4322, 5031, 6483, 10062, 12966, 19449, 28093, 38898, 56186, 84279, 92923, 168558, 185846, 252837, 278769, 505674, 557538, 836307, 1207999, 1672614, 2415998, 3623997, 7247994, 10871991, 21743982]

約数ペア:

[(1, 21743982), (2, 10871991), (3, 7247994), (6, 3623997), (9, 2415998), (13, 1672614), (18, 1207999), (26, 836307), (39, 557538), (43, 505674), (78, 278769), (86, 252837), (117, 185846), (129, 168558), (234, 92923), (258, 84279), (387, 56186), (559, 38898), (774, 28093), (1118, 19449), (1677, 12966), (2161, 10062), (3354, 6483), (4322, 5031)]