21919232

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{1381}}^1$

素因数の和:1430

約数の個数: 40

約数和(自身を含む): 45241152

約数和(自身を除く): 23321920

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1381, 1984, 2762, 3968, 5524, 7936, 11048, 15872, 22096, 42811, 44192, 85622, 88384, 171244, 176768, 342488, 353536, 684976, 707072, 1369952, 2739904, 5479808, 10959616, 21919232]

約数ペア:

[(1, 21919232), (2, 10959616), (4, 5479808), (8, 2739904), (16, 1369952), (31, 707072), (32, 684976), (62, 353536), (64, 342488), (124, 176768), (128, 171244), (248, 88384), (256, 85622), (496, 44192), (512, 42811), (992, 22096), (1381, 15872), (1984, 11048), (2762, 7936), (3968, 5524)]