21454976

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{5407}}^1$

素因数の和:5452

約数の個数: 32

約数和(自身を含む): 44129280

約数和(自身を除く): 22674304

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 5407, 10814, 21628, 43256, 86512, 167617, 173024, 335234, 346048, 670468, 692096, 1340936, 2681872, 5363744, 10727488, 21454976]

約数ペア:

[(1, 21454976), (2, 10727488), (4, 5363744), (8, 2681872), (16, 1340936), (31, 692096), (32, 670468), (62, 346048), (64, 335234), (124, 173024), (128, 167617), (248, 86512), (496, 43256), (992, 21628), (1984, 10814), (3968, 5407)]