15721734

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{2693}}^1$

素因数の和:2844

約数の個数: 32

約数和(自身を含む): 36207360

約数和(自身を除く): 20485626

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 139, 278, 417, 834, 973, 1946, 2693, 2919, 5386, 5838, 8079, 16158, 18851, 37702, 56553, 113106, 374327, 748654, 1122981, 2245962, 2620289, 5240578, 7860867, 15721734]

約数ペア:

[(1, 15721734), (2, 7860867), (3, 5240578), (6, 2620289), (7, 2245962), (14, 1122981), (21, 748654), (42, 374327), (139, 113106), (278, 56553), (417, 37702), (834, 18851), (973, 16158), (1946, 8079), (2693, 5838), (2919, 5386)]