21874328

素因数分解:

$2^3\times 7^1\times {\mathrm{167}}^1\times {\mathrm{2339}}^1$

素因数の和:2519

約数の個数: 32

約数和(自身を含む): 47174400

約数和(自身を除く): 25300072

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 167, 334, 668, 1169, 1336, 2338, 2339, 4676, 4678, 9352, 9356, 16373, 18712, 32746, 65492, 130984, 390613, 781226, 1562452, 2734291, 3124904, 5468582, 10937164, 21874328]

約数ペア:

[(1, 21874328), (2, 10937164), (4, 5468582), (7, 3124904), (8, 2734291), (14, 1562452), (28, 781226), (56, 390613), (167, 130984), (334, 65492), (668, 32746), (1169, 18712), (1336, 16373), (2338, 9356), (2339, 9352), (4676, 4678)]