21179904

素因数分解:

$2^9\times 3^1\times {\mathrm{13789}}^1$

素因数の和:13810

約数の個数: 40

約数和(自身を含む): 56428680

約数和(自身を除く): 35248776

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 96, 128, 192, 256, 384, 512, 768, 1536, 13789, 27578, 41367, 55156, 82734, 110312, 165468, 220624, 330936, 441248, 661872, 882496, 1323744, 1764992, 2647488, 3529984, 5294976, 7059968, 10589952, 21179904]

約数ペア:

[(1, 21179904), (2, 10589952), (3, 7059968), (4, 5294976), (6, 3529984), (8, 2647488), (12, 1764992), (16, 1323744), (24, 882496), (32, 661872), (48, 441248), (64, 330936), (96, 220624), (128, 165468), (192, 110312), (256, 82734), (384, 55156), (512, 41367), (768, 27578), (1536, 13789)]