21893984

素因数分解:

$2^5\times 7^2\times {\mathrm{13963}}^1$

素因数の和:13987

約数の個数: 36

約数和(自身を含む): 50144724

約数和(自身を除く): 28250740

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 49, 56, 98, 112, 196, 224, 392, 784, 1568, 13963, 27926, 55852, 97741, 111704, 195482, 223408, 390964, 446816, 684187, 781928, 1368374, 1563856, 2736748, 3127712, 5473496, 10946992, 21893984]

約数ペア:

[(1, 21893984), (2, 10946992), (4, 5473496), (7, 3127712), (8, 2736748), (14, 1563856), (16, 1368374), (28, 781928), (32, 684187), (49, 446816), (56, 390964), (98, 223408), (112, 195482), (196, 111704), (224, 97741), (392, 55852), (784, 27926), (1568, 13963)]