21156384

素因数分解:

$2^5\times 3^1\times {\mathrm{31}}^1\times {\mathrm{7109}}^1$

素因数の和:7153

約数の個数: 48

約数和(自身を含む): 57335040

約数和(自身を除く): 36178656

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 31, 32, 48, 62, 93, 96, 124, 186, 248, 372, 496, 744, 992, 1488, 2976, 7109, 14218, 21327, 28436, 42654, 56872, 85308, 113744, 170616, 220379, 227488, 341232, 440758, 661137, 682464, 881516, 1322274, 1763032, 2644548, 3526064, 5289096, 7052128, 10578192, 21156384]

約数ペア:

[(1, 21156384), (2, 10578192), (3, 7052128), (4, 5289096), (6, 3526064), (8, 2644548), (12, 1763032), (16, 1322274), (24, 881516), (31, 682464), (32, 661137), (48, 440758), (62, 341232), (93, 227488), (96, 220379), (124, 170616), (186, 113744), (248, 85308), (372, 56872), (496, 42654), (744, 28436), (992, 21327), (1488, 14218), (2976, 7109)]