21537138

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{6491}}^1$

素因数の和:6582

約数の個数: 32

約数和(自身を含む): 49858560

約数和(自身を除く): 28321422

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 79, 158, 237, 474, 553, 1106, 1659, 3318, 6491, 12982, 19473, 38946, 45437, 90874, 136311, 272622, 512789, 1025578, 1538367, 3076734, 3589523, 7179046, 10768569, 21537138]

約数ペア:

[(1, 21537138), (2, 10768569), (3, 7179046), (6, 3589523), (7, 3076734), (14, 1538367), (21, 1025578), (42, 512789), (79, 272622), (158, 136311), (237, 90874), (474, 45437), (553, 38946), (1106, 19473), (1659, 12982), (3318, 6491)]