21561276

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{8597}}^1$

素因数の和:8634

約数の個数: 48

約数和(自身を含む): 57778560

約数和(自身を除く): 36217284

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, 8597, 17194, 25791, 34388, 51582, 94567, 103164, 163343, 189134, 283701, 326686, 378268, 490029, 567402, 653372, 980058, 1134804, 1796773, 1960116, 3593546, 5390319, 7187092, 10780638, 21561276]

約数ペア:

[(1, 21561276), (2, 10780638), (3, 7187092), (4, 5390319), (6, 3593546), (11, 1960116), (12, 1796773), (19, 1134804), (22, 980058), (33, 653372), (38, 567402), (44, 490029), (57, 378268), (66, 326686), (76, 283701), (114, 189134), (132, 163343), (209, 103164), (228, 94567), (418, 51582), (627, 34388), (836, 25791), (1254, 17194), (2508, 8597)]