21385716

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{8527}}^1$

素因数の和:8564

約数の個数: 48

約数和(自身を含む): 57308160

約数和(自身を除く): 35922444

約数列:

[1, 2, 3, 4, 6, 11, 12, 19, 22, 33, 38, 44, 57, 66, 76, 114, 132, 209, 228, 418, 627, 836, 1254, 2508, 8527, 17054, 25581, 34108, 51162, 93797, 102324, 162013, 187594, 281391, 324026, 375188, 486039, 562782, 648052, 972078, 1125564, 1782143, 1944156, 3564286, 5346429, 7128572, 10692858, 21385716]

約数ペア:

[(1, 21385716), (2, 10692858), (3, 7128572), (4, 5346429), (6, 3564286), (11, 1944156), (12, 1782143), (19, 1125564), (22, 972078), (33, 648052), (38, 562782), (44, 486039), (57, 375188), (66, 324026), (76, 281391), (114, 187594), (132, 162013), (209, 102324), (228, 93797), (418, 51162), (627, 34108), (836, 25581), (1254, 17054), (2508, 8527)]