21584416

素因数分解:

$2^5\times 7^1\times {\mathrm{167}}^1\times {\mathrm{577}}^1$

素因数の和:761

約数の個数: 48

約数和(自身を含む): 48940416

約数和(自身を除く): 27356000

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 167, 224, 334, 577, 668, 1154, 1169, 1336, 2308, 2338, 2672, 4039, 4616, 4676, 5344, 8078, 9232, 9352, 16156, 18464, 18704, 32312, 37408, 64624, 96359, 129248, 192718, 385436, 674513, 770872, 1349026, 1541744, 2698052, 3083488, 5396104, 10792208, 21584416]

約数ペア:

[(1, 21584416), (2, 10792208), (4, 5396104), (7, 3083488), (8, 2698052), (14, 1541744), (16, 1349026), (28, 770872), (32, 674513), (56, 385436), (112, 192718), (167, 129248), (224, 96359), (334, 64624), (577, 37408), (668, 32312), (1154, 18704), (1169, 18464), (1336, 16156), (2308, 9352), (2338, 9232), (2672, 8078), (4039, 5344), (4616, 4676)]