21286734

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{1381}}^1$

素因数の和:1760

約数の個数: 32

約数和(自身を含む): 48823296

約数和(自身を除く): 27536562

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 367, 734, 1101, 1381, 2202, 2569, 2762, 4143, 5138, 7707, 8286, 9667, 15414, 19334, 29001, 58002, 506827, 1013654, 1520481, 3040962, 3547789, 7095578, 10643367, 21286734]

約数ペア:

[(1, 21286734), (2, 10643367), (3, 7095578), (6, 3547789), (7, 3040962), (14, 1520481), (21, 1013654), (42, 506827), (367, 58002), (734, 29001), (1101, 19334), (1381, 15414), (2202, 9667), (2569, 8286), (2762, 7707), (4143, 5138)]