21981564

素因数分解:

$2^2\times 3^3\times {\mathrm{11}}^1\times {\mathrm{18503}}^1$

素因数の和:18527

約数の個数: 48

約数和(自身を含む): 62173440

約数和(自身を除く): 40191876

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 99, 108, 132, 198, 297, 396, 594, 1188, 18503, 37006, 55509, 74012, 111018, 166527, 203533, 222036, 333054, 407066, 499581, 610599, 666108, 814132, 999162, 1221198, 1831797, 1998324, 2442396, 3663594, 5495391, 7327188, 10990782, 21981564]

約数ペア:

[(1, 21981564), (2, 10990782), (3, 7327188), (4, 5495391), (6, 3663594), (9, 2442396), (11, 1998324), (12, 1831797), (18, 1221198), (22, 999162), (27, 814132), (33, 666108), (36, 610599), (44, 499581), (54, 407066), (66, 333054), (99, 222036), (108, 203533), (132, 166527), (198, 111018), (297, 74012), (396, 55509), (594, 37006), (1188, 18503)]