21517974

素因数分解:

$2^1\times 3^4\times {\mathrm{43}}^1\times {\mathrm{3089}}^1$

素因数の和:3146

約数の個数: 40

約数和(自身を含む): 49353480

約数和(自身を除く): 27835506

約数列:

[1, 2, 3, 6, 9, 18, 27, 43, 54, 81, 86, 129, 162, 258, 387, 774, 1161, 2322, 3089, 3483, 6178, 6966, 9267, 18534, 27801, 55602, 83403, 132827, 166806, 250209, 265654, 398481, 500418, 796962, 1195443, 2390886, 3586329, 7172658, 10758987, 21517974]

約数ペア:

[(1, 21517974), (2, 10758987), (3, 7172658), (6, 3586329), (9, 2390886), (18, 1195443), (27, 796962), (43, 500418), (54, 398481), (81, 265654), (86, 250209), (129, 166806), (162, 132827), (258, 83403), (387, 55602), (774, 27801), (1161, 18534), (2322, 9267), (3089, 6966), (3483, 6178)]