21370312

素因数分解:

$2^3\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{73}}^1$

素因数の和:182

約数の個数: 64

約数和(自身を含む): 44542080

約数和(自身を除く): 23171768

約数列:

[1, 2, 4, 8, 23, 37, 43, 46, 73, 74, 86, 92, 146, 148, 172, 184, 292, 296, 344, 584, 851, 989, 1591, 1679, 1702, 1978, 2701, 3139, 3182, 3358, 3404, 3956, 5402, 6278, 6364, 6716, 6808, 7912, 10804, 12556, 12728, 13432, 21608, 25112, 36593, 62123, 72197, 73186, 116143, 124246, 144394, 146372, 232286, 248492, 288788, 292744, 464572, 496984, 577576, 929144, 2671289, 5342578, 10685156, 21370312]

約数ペア:

[(1, 21370312), (2, 10685156), (4, 5342578), (8, 2671289), (23, 929144), (37, 577576), (43, 496984), (46, 464572), (73, 292744), (74, 288788), (86, 248492), (92, 232286), (146, 146372), (148, 144394), (172, 124246), (184, 116143), (292, 73186), (296, 72197), (344, 62123), (584, 36593), (851, 25112), (989, 21608), (1591, 13432), (1679, 12728), (1702, 12556), (1978, 10804), (2701, 7912), (3139, 6808), (3182, 6716), (3358, 6364), (3404, 6278), (3956, 5402)]