2150946

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:455

約数の個数: 48

約数和(自身を含む): 5463744

約数和(自身を除く): 3312798

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 43, 63, 86, 126, 129, 258, 301, 387, 397, 602, 774, 794, 903, 1191, 1806, 2382, 2709, 2779, 3573, 5418, 5558, 7146, 8337, 16674, 17071, 25011, 34142, 50022, 51213, 102426, 119497, 153639, 238994, 307278, 358491, 716982, 1075473, 2150946]

約数ペア:

[(1, 2150946), (2, 1075473), (3, 716982), (6, 358491), (7, 307278), (9, 238994), (14, 153639), (18, 119497), (21, 102426), (42, 51213), (43, 50022), (63, 34142), (86, 25011), (126, 17071), (129, 16674), (258, 8337), (301, 7146), (387, 5558), (397, 5418), (602, 3573), (774, 2779), (794, 2709), (903, 2382), (1191, 1806)]