21396354

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{619}}^1\times {\mathrm{823}}^1$

素因数の和:1454

約数の個数: 32

約数和(自身を含む): 49044480

約数和(自身を除く): 27648126

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 619, 823, 1238, 1646, 1857, 2469, 3714, 4333, 4938, 5761, 8666, 11522, 12999, 17283, 25998, 34566, 509437, 1018874, 1528311, 3056622, 3566059, 7132118, 10698177, 21396354]

約数ペア:

[(1, 21396354), (2, 10698177), (3, 7132118), (6, 3566059), (7, 3056622), (14, 1528311), (21, 1018874), (42, 509437), (619, 34566), (823, 25998), (1238, 17283), (1646, 12999), (1857, 11522), (2469, 8666), (3714, 5761), (4333, 4938)]