15721914

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{571}}^1$

素因数の和:942

約数の個数: 32

約数和(自身を含む): 34017984

約数和(自身を除く): 18296070

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 353, 571, 706, 1059, 1142, 1713, 2118, 3426, 4589, 7423, 9178, 13767, 14846, 22269, 27534, 44538, 201563, 403126, 604689, 1209378, 2620319, 5240638, 7860957, 15721914]

約数ペア:

[(1, 15721914), (2, 7860957), (3, 5240638), (6, 2620319), (13, 1209378), (26, 604689), (39, 403126), (78, 201563), (353, 44538), (571, 27534), (706, 22269), (1059, 14846), (1142, 13767), (1713, 9178), (2118, 7423), (3426, 4589)]