21324032

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{2687}}^1$

素因数の和:2734

約数の個数: 36

約数和(自身を含む): 43954176

約数和(自身を除く): 22630144

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 2687, 3968, 5374, 7936, 10748, 21496, 42992, 83297, 85984, 166594, 171968, 333188, 343936, 666376, 687872, 1332752, 2665504, 5331008, 10662016, 21324032]

約数ペア:

[(1, 21324032), (2, 10662016), (4, 5331008), (8, 2665504), (16, 1332752), (31, 687872), (32, 666376), (62, 343936), (64, 333188), (124, 171968), (128, 166594), (248, 85984), (256, 83297), (496, 42992), (992, 21496), (1984, 10748), (2687, 7936), (3968, 5374)]