21333276

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31189}}^1$

素因数の和:31218

約数の個数: 36

約数和(自身を含む): 56765800

約数和(自身を除く): 35432524

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 114, 171, 228, 342, 684, 31189, 62378, 93567, 124756, 187134, 280701, 374268, 561402, 592591, 1122804, 1185182, 1777773, 2370364, 3555546, 5333319, 7111092, 10666638, 21333276]

約数ペア:

[(1, 21333276), (2, 10666638), (3, 7111092), (4, 5333319), (6, 3555546), (9, 2370364), (12, 1777773), (18, 1185182), (19, 1122804), (36, 592591), (38, 561402), (57, 374268), (76, 280701), (114, 187134), (171, 124756), (228, 93567), (342, 62378), (684, 31189)]