21890624

素因数分解:

$2^6\times 7^1\times {\mathrm{131}}^1\times {\mathrm{373}}^1$

素因数の和:523

約数の個数: 56

約数和(自身を含む): 50157888

約数和(自身を除く): 28267264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 131, 224, 262, 373, 448, 524, 746, 917, 1048, 1492, 1834, 2096, 2611, 2984, 3668, 4192, 5222, 5968, 7336, 8384, 10444, 11936, 14672, 20888, 23872, 29344, 41776, 48863, 58688, 83552, 97726, 167104, 195452, 342041, 390904, 684082, 781808, 1368164, 1563616, 2736328, 3127232, 5472656, 10945312, 21890624]

約数ペア:

[(1, 21890624), (2, 10945312), (4, 5472656), (7, 3127232), (8, 2736328), (14, 1563616), (16, 1368164), (28, 781808), (32, 684082), (56, 390904), (64, 342041), (112, 195452), (131, 167104), (224, 97726), (262, 83552), (373, 58688), (448, 48863), (524, 41776), (746, 29344), (917, 23872), (1048, 20888), (1492, 14672), (1834, 11936), (2096, 10444), (2611, 8384), (2984, 7336), (3668, 5968), (4192, 5222)]