21316854

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{4079}}^1$

素因数の和:4164

約数の個数: 32

約数和(自身を含む): 46609920

約数和(自身を除く): 25293066

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 78, 134, 201, 402, 871, 1742, 2613, 4079, 5226, 8158, 12237, 24474, 53027, 106054, 159081, 273293, 318162, 546586, 819879, 1639758, 3552809, 7105618, 10658427, 21316854]

約数ペア:

[(1, 21316854), (2, 10658427), (3, 7105618), (6, 3552809), (13, 1639758), (26, 819879), (39, 546586), (67, 318162), (78, 273293), (134, 159081), (201, 106054), (402, 53027), (871, 24474), (1742, 12237), (2613, 8158), (4079, 5226)]