21989432416

素因数分解:

$2^5\times 7^1\times {\mathrm{167}}^1\times {\mathrm{587827}}^1$

素因数の和:588011

約数の個数: 48

約数和(自身を含む): 49772572416

約数和(自身を除く): 27783140000

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 167, 224, 334, 668, 1169, 1336, 2338, 2672, 4676, 5344, 9352, 18704, 37408, 587827, 1175654, 2351308, 4114789, 4702616, 8229578, 9405232, 16459156, 18810464, 32918312, 65836624, 98167109, 131673248, 196334218, 392668436, 687169763, 785336872, 1374339526, 1570673744, 2748679052, 3141347488, 5497358104, 10994716208, 21989432416]

約数ペア:

[(1, 21989432416), (2, 10994716208), (4, 5497358104), (7, 3141347488), (8, 2748679052), (14, 1570673744), (16, 1374339526), (28, 785336872), (32, 687169763), (56, 392668436), (112, 196334218), (167, 131673248), (224, 98167109), (334, 65836624), (668, 32918312), (1169, 18810464), (1336, 16459156), (2338, 9405232), (2672, 8229578), (4676, 4702616), (5344, 4114789), (9352, 2351308), (18704, 1175654), (37408, 587827)]