21642488

素因数分解:

$2^3\times 7^1\times {\mathrm{163}}^1\times {\mathrm{2371}}^1$

素因数の和:2547

約数の個数: 32

約数和(自身を含む): 46680960

約数和(自身を除く): 25038472

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 163, 326, 652, 1141, 1304, 2282, 2371, 4564, 4742, 9128, 9484, 16597, 18968, 33194, 66388, 132776, 386473, 772946, 1545892, 2705311, 3091784, 5410622, 10821244, 21642488]

約数ペア:

[(1, 21642488), (2, 10821244), (4, 5410622), (7, 3091784), (8, 2705311), (14, 1545892), (28, 772946), (56, 386473), (163, 132776), (326, 66388), (652, 33194), (1141, 18968), (1304, 16597), (2282, 9484), (2371, 9128), (4564, 4742)]