21021048

素因数分解:

$2^3\times 3^2\times {\mathrm{281}}^1\times {\mathrm{1039}}^1$

素因数の和:1332

約数の個数: 48

約数和(自身を含む): 57189600

約数和(自身を除く): 36168552

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 281, 562, 843, 1039, 1124, 1686, 2078, 2248, 2529, 3117, 3372, 4156, 5058, 6234, 6744, 8312, 9351, 10116, 12468, 18702, 20232, 24936, 37404, 74808, 291959, 583918, 875877, 1167836, 1751754, 2335672, 2627631, 3503508, 5255262, 7007016, 10510524, 21021048]

約数ペア:

[(1, 21021048), (2, 10510524), (3, 7007016), (4, 5255262), (6, 3503508), (8, 2627631), (9, 2335672), (12, 1751754), (18, 1167836), (24, 875877), (36, 583918), (72, 291959), (281, 74808), (562, 37404), (843, 24936), (1039, 20232), (1124, 18702), (1686, 12468), (2078, 10116), (2248, 9351), (2529, 8312), (3117, 6744), (3372, 6234), (4156, 5058)]